How many ways can 15 horses finish 1st, 2nd, and 3rd in a race?

Is this a combination or permutation?

The area of a rectangle is 56cm. The length is 2 cm more than x and the with is 5 cm less than twice x. Solve for x.

In a group of 200 children, 162 of them play football. What percentage of the group don't play football?

What is 1096782*67736

Determine the slope of a line perpendicular to the line with equation 6x-4y = 30

A grocer had some eggs. When he packed them into groups of 4 there were three eggs leftover when he packed them into groups of five there were two left over when he packed them into groups of nine there were no eggs leftover.

Express 0.361 as a fraction

Find the vertex, focus, and directrix of the parabola. 3x2 + 16y

Is the sum of two polynomials always a polynomial

Isaac buys milk to make milkshakes for all his friends. He buys quart of milk and one half gallon of milk. How many cups of milk did he buy?

Y = 1/2x-4 and y = - 2x-9 what is the solution of equations