A ladder leans against the side of a house. The angle of elevation of the ladder is 75° when the bottom the ladder is 16 ft from the side of the house. Find the length of the ladder. Round your answer to the nearest tenth. 

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Ill mark the brainliest if you me with the these three questions 7,8,9

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers