Equations and Inequalities

Please solve this equation Melanie and Julian have 50 dinosaurs in total. Julian has 21 dinosaurs. How many dinosaurs does Melanie have?

• g = 29

• g = 71

• g = 1050

• None of these match my answer

1) Solve this equation

c - 1 = 8

• c = 9

• c = 7

• c = 8

• None of these match my answer

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4

Which graph matches the inequality 
¹/₂ > b?

• A

• B

• C

• D

18+m=38

• m=0

• m=10

• m=20

• m=8

Simplify the expression:
7(n-3)

• 7n + 21

• 7n - 21

• 7n - 7

• n - 21

Match the graph with its inequality. hint: don't be tricked by the variable on the right.

• 11 < a

• 11 > a

• 11 ≤ a

• 11 ≥ a

Pick the correct letter for:
6 > x

• A

• B

• C

• D

Which sentence represents m > 41?

• Mary’s points, m, totaled more than 41

• Calvin ran no less than 41 miles, m

• The temperature, m, was less than 41°F

• The magazines’ cost, m, was not more than $41.

144=12z

• z=20

• z=11

• z=12