$2.64

$4.66

$7.80

$3.00

$\frac{1}{6}m\ -\ 4$

$\frac{4}{1}m\ -\ 6$

$\frac{1}{4}m\ +\ 6$

$\frac{1}{4}m\ -\ 6$

-2w + 5z - 5

14w - 5z + 5

2w + 13z + 9

-14w + 13z - 9

3d + 6

3d - 6

-3d + 6

-3d - 6

10.5n + 4

-10.5n + 14

10.5n + 14

-10.5n + 4

$\frac{6}{5}-\frac{1}{3}x$

$6\frac{5}{3}-\frac{1}{3}x$

$6\frac{3}{5}-\frac{1}{3}x$

$6\frac{4}{15}x$

7(9a - 6b)

7(9a - 42b)

21(3a - 42b)

21(3a - 2b)

3(27y + 18)

2(40.5y + 27)

9(9y + 6)

27(3y + 2)

1st, 2nd, 3rd options

1st, 3rd, 5th options

4th and 5th options

1st, 4th, and 5th options

4x + 9 = 101; x = 23; There are 23 students in the art class.

9x + 4 = 101; x = 10.77; There are 11 students in the art class.

4x + 9 = 101; x = 27.5; There are 28 students in the art class.

9x + 4 = 101; x = 11.66; There are 12 students in the art class.

add 6, divide by 5; x = 10

subtract 6, divide by 5; x = 7.6

add 6, multiply by 5; x = 250

subtract 6, multiply by 5; x = 190

y = 7

y = 4

y = 64

y = 88

n = 4

n = 1

n = 16

n = -2

$\frac{1}{5}\left(450+b\right)=170,\ b\ =-416$

$\frac{1}{5}\left(450+b\right)=170,\ b\ =1300$

$\frac{1}{5}\left(450+b\right)=170,\ b\ =400$

$\frac{1}{5}\left(450+b\right)=170,\ b\ =80$

y = -2.8125

y = -30.5

y = -14.5

y = 86

$p\ +\ 121\le\ 345;\ p\ \le\ 224$

$p\ +\ 121\le\ 345;\ p\ \le\ 466$

$p\ +\ 121\ge\ 345;\ p\ \ge\ 224$

$p\ +\ 121\ge\ 345;\ p\ \ge\ 466$

x > 100

x < 100

x > 62

x < 62

3a > $300; a > $100

3a < $300; a < $100

3a < $300; a < $900

3a > $300; a > $900

$y\le-272$

$y\ge-272$

$y\le-4.25$

$y\ge-4.25$

$5x+45\ \le150;\ x\ \le\ 21;\ at\ most\ 21\ T-shirts$

$5x+45\ \ge150;\ x\ \ge\ 21;\ at\ least\ 21\ T-shirts$

$5x+45\ <150;\ x\ <\ 21;\ less\ than\ 21\ T-shirts$

$5x+45\ >150;\ x\ >\ 21;\ more\ than\ 21\ T-shirts$

$n\ge51$

$n\le51$

$n\ge99$

$n\le99$