Simplify:

(x-y) / (x+y) - (x+y) / (x-y) =

What is the simplest form of this expression - 2b (-5b+4) - 4b^2

The student to teacher ratio at a high school is 10:2. If the total number of students and teachers is 60: how many of them must be students? Explain

A professional baseball team offers seasons tickets for $300 for general admission seats. Without season tickets, the cost of a ticket for general admission seats is $8.50 per game.

Identify a, b, and c in the equation 2 x^2 - 5x + 3 = 0

A recipe asks for 4 1/2 pounds of chicken. How many pounds of chicken are needed to make 1/2 of a recipe? Express the answer in simplest form.

Fern is doing her holiday shopping. she wants to buy a game for her little sister. The game is regularly priced at $32, but it is on sale for $20.80. what is the percentage of the discount for the game?

At SMS, 25% of the teachers teach math. If there are 50 math teachers, how many teachers are there all together at SMS?

Which of these figures must be a rectangle? O A. A parallelogram with at least one right angle B. A parallelogram with four congruent sides C. A trapezoid with at least one right angle D. A trapezoid with two congruent sides SUF

Find the volume of a cone with a base radius of 5 yd and a height of 12 yd. Use the value 3.14 for it, and do not do any rounding. Be sure to include the correct unit in your answer. yd yd yd x 6 ? 5 yd Check Save

Divide 78 into 2 groups