5x+7 = 12 open or true

Robyn had 8 Apples. She ate 3/8of them. What is the number of apples she ate?

Use the identity a^3+b^3 = (a+b) ^3 - 3ab (a+b) to determine the product of the two numbers if the sum of the cubes of the two numbers is 152 and the sum of the two numbers is 8.

Lorenz needs to run 13 1/2 miles this week to meet his goal for his training plan. So far this week he has run 3 1/2 miles on Monday and 4 1/4 Tuesday. How many moremiles does he needs to run this week in order to meet his goal

Simplify 2 (x + 4) + 3 (x - 4

Write an Algebraic Expression for Problems 1 - 6. 1. Five less than eight times a number 2. Thirteen more than a number 3. A number divided by seven 4. John went to Cinemark. The movie cost $12 and each drink cost $3.50.

A car is traveling at 60 kilometers per hour. How many kilometers does the car cover in 7 hours?

Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. x + 7 - 4x^3

Trapezoid: b1=3 m; b2 = 4m A = 7 m2 What is the missing dimension

Describe how to transform (5 square root x^7) ^3

A triangle has 2 sides of lengths 7 and 12 what value could the length of the third side be