One roll of astroturf will cover 150 square feet. find how many rolls should be purchased to cover a lawn that is 22 ft. x 31 ft.?

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?