What is a variable in algebra

A class of 20 boys and 15 girls is divided into n groups so that each group has x boys and y girls. Find x, y and n. what values are referred in this class

Susie and her friends go bowling the cost of the renting shoes is $8 and the cost of each game is $2.50 how much will it cost them to bowl two games

You are purchasing jeans & shirts. jeans cost $35 and shirts cost $15. you want to buy 5 items & have $115 to spend. write a system of linear equations to model your situation.

What number is 0.4% is 34

Six times a number is greater than 20 more than that number. What are the possible outcomes of that number?

The revenue, in dollars, of a company that produces jeans can be modeled by 2x2+17x-175. The cost, in dollars, of producing the jeans can be modeled by 2x2-3x-125. The number of pairs of jeans that have been sold is represented by x.

Given that Triangle ABC such that a=8cm, b=7cm and c=9cm tem and c = 9cm find Cos B

What is 12 times 4.8

How will adding the value 75 affect the mean and median of the data set 1, 5, 7, 9, 9, 10? A. The median increases and the mean stays the same. B. The mean increases and the median stays the same. C. The median increases less than the mean increases.

54,36,24 whats the next term in the geometric sequence