I don't know how to solve a+4.5=67.5

What number does stand for in this equation? 6x3 = (x5) - (x2)

Ned counts by fives. He starts at 80. Which number should he say next

How to write the simplest polynomial function of - 2i and 1+i

What are the factor pairs for 10?

The height of a projectile in the air t seconds after it is shot can be modeled by the function y = - 16t^2 + 3200t + 2, where t and y are measured in feet. What is the maximum height that the projectile reaches?

22/25 of a Number is what percent of that number

What is the circumference of a circle if the radius is 13?

Use the three steps to solve the problem. Maple syrup worth $6.00 a gallon and corn syrup worth. 80 cents a gallon are used to make a mixture worth $2.36 a gallon. How many gallons of each kind of syrup are need to make 50 gallons of the mixture?

The length of a rectangle is 2 units shorter than two-thirds of the width, w. Which of the following expressions represent the perimeter of the rectangle. A (10/3) w - 1 B (4/3) w + 1 C 2w - 2 D (8/3) w - 2 E 2w - 1

The dimensions of triangle A are three times the dimensions of triangle B. The area of triangle A is 189 cm2. What is the area of triangle B?