12 is 75% of what number

Write a rule in words and as an algebraic expression to model the relationship in each table The local video store charges a monthy membership fee of $5 and $2.25 per video. Video (v) l cost (c) 1 l $7.25 2 l $9.50 3 l $11.75

Solve the system of equations by substitution. 4x-3y=18 x+2y=-1

A number cube us rolled 450 times. The number 3 comes up 67 times. (a) What is the theoretical probability of rolling a 3? Write your answer as a fraction in simplest form.

I am operations that undo each other like multiplication and divison

A flower garden has 12 sunflowers for every 45 irises. Write another ratio with the same constant of proportionality. Explain how you found this ratio.

Terrance trains at a rate of 6 miles every half hour and Jesse trains at a rate of 2 miles every 15 minutes

Find the magnitude of the vector from the origin to (8. - 6) and write the vector as the sum of unit vectors. 1. 12, 87 + 67 c. 12. 87-67

Evaluate the following expression b=3 c=-3 (b-c) (c+2)

Can 5x-4+9 be simplified

Each set of ordered pairs represents a function. Write a rule that represents the function (0, 1) (1,3) (2,9) (3,27) (4,81)