## Description

**Instructions **

**You must earn a minimum of 70% before you will be allowed to take or view the Unit II Assessment. You have unlimited homework attempts. **

- Factor the following natural number. If the number is prime, state so.

2205

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

- The prime factorization is ( ) (Type your answer in factored form.)
- The number is prime.

- Factor the following natural number. If the number is prime, state so.

**79 **

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

- The prime factorization is ( ) (Type your answer in factored form.)
- The number is prime.

**Find the GCD and LCM of the following pair of natural numbers.**

45, 297

The GCD of 45 and 297 is ( ) (Type your answer in factored form.)

- Assume that an airline’s flights for Miami leave every 21 minutes and flights for Dallas leave every

18 minutes. If flights to Miami and Dallas have just departed, how many minutes will it be before this happens again?

The flights will depart at the same time again after ________ minutes.

**Calculate the indicated sum using movements on a number line.**

(+10)+(-6)

Plot the sum (+10)+(−6).

A number line is labeled from negative 10 to 10 in increments of 1.

-10-9-8-7-6-5-4-3-2-1012345678910

**Rewrite the following subtraction problem as an addition problem and then find the answer.**

(+16)−(−8)

Be sure to include the sign on your answer.

(+16)−(−8)= (Type an integer or a decimal.)

**Rewrite the following subtraction problem as an addition problem and then find the answer.**

(+9)−(+19)= (Type an integer or a decimal.)

**Find the following product.**

(-5)(-6) (Type an integer or a simplified fraction.)

**Find the following product.**

(-5)(+6) (Type an integer or a simplified fraction.)

- -32 = (Type an integer or a simplified fraction.)

-2

- +18

-3 = (Type an integer or a simplified fraction.)

- (-3)(-8)+(+6)(-5) (Simplify your answer.)

- -8 Simplify (Type an integer or a simplified fraction.)

10

- Perform the subtraction. Express the answer as a positive or negative quotient of two integers in reduced form.

(Simplify your answer. Type an integer or a fraction

3 – 1 =

8 2

- Perform the calculation. Express the answer as a positive or negative quotient of two integers in reduced form.

(Simplify your answer. Type an integer or a fraction

1 – 6+1

8 7 2

- Perform the multiplication. Express the answer as a positive or negative quotient of two integers in reduced form.

(Simplify your answer. Type an integer or a fraction

911 19 =

- 7 ÷ 6 =

30 5

- (Type an integer or a simplified fraction.) 4105÷(115 −320 )

- Write the improper fraction as a mixed number in simplest form. 358 =

- 123 = Convert the mixed number to an improper fraction.

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