X=3y+18

5x+4y=-5

Solve in substition equations

Evaluate 2/3b-5a when a=-2 and b=3

The mega market sold 200 peaches last season. This season they sold 250. What was the percent increase in sales?

Solve the quadratic equation for x. 3x2+12x=0 x = or x =

Calculate the income tax for a person earning 25,000

Brandon is half as old as his brother Ryan. Ryan is one eighth the age of his father. If their father is 32 years old, how old are Ryan and Brandon?

An internet book company charges $7 for each paperback plus $2.75 for shipping and handling per order

Suppose PV = NRT, where P=8, V=2X, N=2 and R=2X. you are given X=3. Solve for T

Julius plans to fence in a small water hole. The fence will form a triangle as shown in the diagram. What is the total length of fence Julius needs to enclose the water hole? A. 235 feet B. 2,700 feet C. 289 feet D. 5,400 feet

The top of a coffee table is the shape of a rectangle the length of the top of the coffee table is 3.5 feet in the area is 10.5 ft. what is the width at the top of the coffee table?

What is the greatest common factor of 64 & 32?