Solve for x: x + 21 = 39

A. x = 23

B. x = 12

C. x = 18

D. x = 14

Addison brought treats to school to share for her birthday. She divided the treats evenly among the 22 students in her class. Every student got 3 treats. Write and solve an equation to determine how many treats she brought.

Using your knowledge of parallel lines, create equations of two lines that are parallel to.

Find the factors of 42 show and explain your work and list the factor of pairs in a table

Ryan meausures the perimeter of his square painting so he can make a wood frame find the perimeter of the painting in centimeters

What are the solutions to the quadratic equation 5x2 + 60x = 0? x = 0 and x = - 12 x = 0 and x = 12 x = 5 and x = - 12 x = 5 and x = 12

Two spherical chocolates are filled with a cream filling. The space inside one chocolate has a radius of 3 cm, and the other has a radius of 4.5 cm. How much more cream filling is in the larger chocolate than in the smaller chocolate? Use 3.

97/16 as mixed number

The equation $4.50 h + $2.00 = $20.00 shows the cost to play h hours of miniature golf. How many hours of golf were played?

Which number is a solution of - 2x < - 4?

Nathan spins 2 different spinners at the same time. There are a total of 10 possible outcomes. which pair of spinners did Nathan spin?