N+m = 16 solving for n

Find f if f (x) = 23; 23 = x²+7

You must be at least 38 inches tall to ride the roller coaster

Calculate the mean: 5,10,12,4,6,11,13,5

Gina gets money from her grandfather every day for the entire week of her birthday, starting on Monday. She gets $2 on Monday, $4 on Tuesday, and the previous day's amount gets multiplied by 2 each day.

Solve the equation, 2x + 1 = 3, for x. Which of the following properties of equality did you apply? Question 8 options: A) Subtraction and multiplication B) Addition and division C) Addition and multiplication D) Subtraction and division

7.) Sophie can write 80 words in 5 minutes How many words can she write per hour

1. Given the system 2X + 3Y = 18 -2X + 5Y = 14 Explain how you would solve this system using combination. Give the solution as a coordinate pair (X, Y) 2.

At a certain temperature, the speed of sound in the air is 330 meters per second. Which of the following proportions would be used convert this speed into kilometers per second?

Simplify (ac^4 / 3b^3) ^2

A box is 20 cm long. Which of these is closest to the length of this box in feet? (1 inch = 2.54 cm)