91Ó°ÊÓ

Find the sum or difference.

$9.817-\left(-1.49\right)$

Perform the indicated operation. (pp. 750–752)

$8.23  -  4.97$

Evaluate the expression. Justify each of your steps.

3.$(26\text{ }+18\text{ })\text{ â¶Ä‰}+34\text{ â¶Ä‰}$

In Exercises 1–3, evaluate the expression. Justify each of your steps.

$3.4+9.7+7.6$

Which expression represents the area (in square units) of the triangle shown?

$\begin{array}{l}A.\text{ }32x+48\text{ â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰}B.\text{ }16x+24\\ C.\text{ }4x+14\text{ â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰â¶Ä‰â€‰}D.\text{ }32x+6\end{array}$

Evaluate the expression using the distributive property and mental math.

$3  \left(96\right)$

Use the distributive property to evaluate the expression.

$6  (11-  4)$

Perform the indicated operation.

$-6.2+4.5$

For the given expression,identify the terms, like terms, coefficients, and constant terms. Then simplify the expression.

$5+8w−6−w$

Solve the equation. Check your solution.

$8w=75.2$