Evaluate the expression. (Practice using the basic calculator.)152 +(-13)2

Evaluate the expression. (Practice using the basic calculator.)82-(-19)

Evaluate the expression. (Practice using the basic calculator.)142 =

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Simplify the expression.  (Practice using the basic calculator.)20÷5 -3 +2

Write the interval notation that describes the set of numbers graphed. 24.JPG

Find the quotient.-357-51

Find the difference.-1-5

Evaluate the expression, given y=3 and a = -4.2y-3a2

This endocrine gland shrinks in size from the infant stage of life through adulthood.