Mari has 28 wooden cubes. She wants to stack them to form a triangle. Each row will have one block fewer than the row below it. How many blocks will be in the bottom row of the pyramid?

Identify the slope and line intercept for y = 3x + 1. The slope is The y-intercept

How do you write 4 1/5 as a percent?

A pair of sneakers is on sale for $51.00. This is 75% of the original price. What was the original price of the shoes?

Solve 4 (x - 1) - x = 3 (x + 5) - 11

Is 4+2.6 greater than 4+2

Simplify the algebraic expression: 15xy - 13 + 4x + 3y + xy + 21

At 3:00 ok a truck and a car leave the same intersection traveling in the same direction. The truck is traveling at 43 mph and the car is traveling at 58 mph. At what time will they be 12 mi apart?

Express the recurring decimal 0.56 as a fraction in its simplest form

A square garden plot measures 44 yards on each side. What is the length of the diagonal of this plot?

What are the roots of the equation X squared plus 6X - 9 equals zero?