Add or subtract as indicated. Write answers in lowest terms as needed. $3\frac{1}{8}+2\frac{1}{4}$

Evaluate each algebraic expression for x = 2 and y= -5. |x+y|

Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. A ⊆ C

Find each product or quotient where possible. -0.5(-0.6)

Insert ⊆ or ⊈ in each blank to make the resulting statement true. {2, 4, 6} ____ {2, 3, 4, 5, 6}

Evaluate each expression 16^1/2.

Find each product or quotient where possible. -0.06(0.4)