What is the value of x in the equation 2x + 9 = 21?

2

6

9

15

Roby ran 5 3/4 miles last week. she ran 4 1/4 miles this week how many more miles did she run last week

Acute definition Right definition

Solve the following equation for x. x2 - 9x + 18 = 0 A.) x = - 3; x = 6 B.) x = 3; x = 6 C.) x = - 3; x = - 6 D.) x = 3; x = - 6

In a group of 75 fourth graders, 20% do not like hot chocolate. How many students like hot chocolate

A rectangular painting has an area of 105 square inches. The length is 16 inches longer than the width. What is the length, in inches, of the painting?

A pet album that usually sells for $12.50 was put on sale for $8.50. What is the percent decrease?

Which expression is 5 times as large as the expression 345+23

A person has 22 coins, all nickels and dimes, worth one dollar and 50 cents. How many nickels are there? 8 14 22

The function f (x) = 3x+4 is a linear function. Let g (x) represent f (x) after a horizontal translation 2 units to the left. What is the equation for the function g (x) ? Enter your answer in the box. g (x) =

You are painting a room. After 18 minutes, 64% of the room still needs painted. How long does it take to paint the entire room? Write an equation that represents the percent y of the room that still needs painted after 3 minutes.