N! / (n+1) !

Simplify the following factorial expression

Brett wants to paint the exterior of his two-story home but does not know what length ladder he should buy. The top of his roof is 29 ft above ground level, and (for safety reasons) the ladder should not be at more than an 80° angle from the ground.

60% is what percent of 235

Simplify (2x - 2y) (2y 8) = ? a. 4xy 16x 4y2 16y b. 4xy 16x - 4y2 - 16y c. 4xy - 16x - 4y2 - 16y d. 4xy - 4y2

Which expression is equivalent to - 8

Eric has a trolley. He wants to use that trolley to transport wooden blocks. The size of trolley is 3,960,000 square centimeter. He found the wooden blocks to have a density of 0.0029 blocks per square centimeter.

Which equation is not equvilant to A=1/2 bh, A) 2A=bh B) h=1/2bA C) 1/2b=a/h D) d=2A/h

a jet travels 440 miles in 5 hours. At this rate, how far could the jet in 8 hours. What is the rate of speed of the rate

What is the solution to the equation 7 (a - 10) = 13 - 2 (2a + 3) ? a = StartFraction 26 Over 11 EndFraction a = 7 a = StartFraction 89 Over 11 EndFraction a = 621

Craig randomly surveys 50 people to find their favorite store at the mall. He finds that 18 people say they like the clothing store the best.

Factor x 2 + xy - 2x - 2y. (x + 2) (x - y) (x + y) (x - 2) (x - y) (x + 2)