3p + 7

p + 21

3p + 21

3(p) + 7

0.458 L

4.58 L

45.8 L

458,000 L

4p $<$  10.8

6.7  $\le$  4p

5p  $>$  13

18.2  $\le$  6p

2x $\le$ 21

3x $<$ 33

-5x $\ge$ -55

-4x $\le$ -44

85%

0.17

0.72

84%

106

80

104

82

 $8\frac{15}{20},\ \ 8.8,\ \ 8\frac{7}{8},\ 878\%$  

 $8.8,\ \ 8\frac{15}{20},\ \ 878\%,\ \ 8\frac{7}{8}$  

 $8\frac{15}{20},\ \ 878\%,\ \ 8.8,\ \ 8\frac{7}{8}\$  

 $8\frac{7}{8},\ \ 878\%,\ \ \ 8.8,\ \ 8\frac{15}{20}$  

The opposite is 6

The absolute value is  $-6$  

It is a whole number

All of the above are true

 $-3\ -\ \left(-5\right)$  

 $-3\ +\ 5$  

 $-5\ +\ 3$  

 $-5\ -\ 3$  

$A\ =\ \frac{1}{2}\left(a\right)\left(b\right)\left(c\right)$

$A\ =\ \frac{1}{2}\left(b\right)\ +\ \frac{1}{2}\left(5\right)$

$A\ =\ \frac{1}{2}\left(5\right)\left(b\right)$

$A\ =\ \frac{1}{2}\left(b+c\right)\left(5\right)$