0. Review of College Algebra

Find each sum or difference. See Example 1. -6 + (-13)

Find each sum or difference. See Example 1. -15 + 6

Find each sum or difference. See Example 1. 13 + (-4)

Find each sum or difference. See Example 1. -7⁄3 + 3⁄4

Find each sum or difference. See Example 1. -2.8 + 4.5

Find each sum or difference. See Example 1. 4 - 9

Find each sum or difference. See Example 1. -6 - 5

Find each sum or difference. See Example 1. 8 - (-13)

Find each sum or difference. See Example 1. -12.31 - (-2.13)

Find each sum or difference. See Example 1. 9⁄10 - ( -4⁄3)

Find each sum or difference. See Example 1. |-8 - 6|

Find each sum or difference. See Example 1. -2 - |-4|

Find each product or quotient where possible. See Example 2. -8(-5)

Find each product or quotient where possible. See Example 2. 5(-7)

Find each product or quotient where possible. See Example 2. 4(0)