How do you do ths increase 60% by 15%

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)