91Ó°ÊÓ

Simplify the expression by combining like terms if possible. If not possible, write already simplified. $$ 8-4 t+6 t^{2} $$

Find the product. \(-4(-6)\)

Use the properties of addition to find the sum. $$ -4+3+(-2) $$

Find the difference. $$ 4-9 $$

Tell whether the set is closed under the operation by deciding if the combination of any two numbers in the set of numbers is itself in the set. even integers under multiplication

Find the difference. $$ -8-(-5) $$

Identify the like terms in the expression. $$ 5 s^{2}-10 s^{2} $$

Find the product. \(-7(-1.2)\)

NUMBER LINES Use a number line to find the sum. $$ -3+(-3) $$

Find the difference. $$ 95-59 $$