91Ó°ÊÓ

Simplify the expression.

Find the value of x for the given triangle or rectangle

Perimeter 352 ft

Simplify the expression.

$-3.5\left(4a+1.9\right)$

Challenge Solve the equation$2x+3=11$using mental math. Explain the reasoning you used to find the solution.

Writing Are putting on your socks and putting on your shoes commutative activities? Explain.

Perform the indicated operation.

$\mathbf{-}\mathbf{6}\mathbf{.}\mathbf{6}\mathbf{+}\mathbf{1}\mathbf{.}\mathbf{4}$

Write a variable expression to represent the phrase. (Lesson 1.1)

The product of 8 and a number

Solve the equation.

$\frac{\mathbf{m}}{\mathbf{-}\mathbf{3}\mathbf{.}\mathbf{4}}\mathbf{=}\mathbf{8}\mathbf{.}\mathbf{3}$

Find the value of x for the given triangle or rectangle

Perimeter 352 ft

Find the area of the rectangle or triangle.