Huilan is 15 years older than thomas. the sum of their ages is 55. what is thomas's age?

What does it mean to find the reciprocal?

Whats 4.40 rounded to the nearest tenth

Write and solve the inequality: the quotient of a number and - 3 is greater than the quotient of 5 and 6

X-y = 0 X+y=-2 Find the solution of the equation 1. (-3,-3) 2. (-1,-1) 3. (5,-3) 4. no solution

Type the correct answer in the box. Write your answer as a whole number. The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. A cone is used to fill the cylinder with water.

What is the scale factor of lmn to opq?

3. Which of the following is equivalent to 3 (y - 1 + 2y) ? A. 3y - 9 B. 6y - 3 C. 9y - 3 D. 3y - 3

If y various directly with x, write an equation for the direct variations. The find each value. 1.) If y = - 4 when x = 10, find y when x = 5 2.) If y = 12 When x = - 15, find y when x = 2 3.

89 (54x - 36) + 2 = - 3/4 (-40 + 16x) + 90xsolve for x

The ratio of cars to vans in a parking lot is 1 to 4. If there are 40 cars and vans in the parking lot altogether then how many vans are there?