Explain what the variable represents in a addition expression

21) ΔΗGF - ΔHOP | - 56 + 6x 136 210 Η 360 What is the value of x

Subtract. Express your answer in lowest terms. 3/4-1/8

Part of the proceeds from a garage sale was $510 worth of $10 and $20 bills. if there were only 6 more $10 bills than $20, find the number for each denomination

What is - 1 = (5+x) / 6?

A box of crackers weighs 11 1/4 ounces. The estimated serving is 3/4 ounce. How many servings are in the box?

A manager received an invoice for $86.30 for 30gal ice cream. how much did each gallon cost

Dora cut a piece of string that is 33 centimeters long. What is the length of the peice of string in meters?

A school has 280 students. If 25% of the students are in the school band how many students are in the band?

What are the solutions of this quadratic equation? 6x2 + 6 = 12x + 18

Michael saw a Sunday suit he wanted at the store. The cost of the suit was $96. A few days later he saw that the suit was marked 1/4 off. How much does the suit cost now?