On a given blueprint, 1 inch equals 16 feet. if the dimensions of the bedroom on the blueprint are .75 inches x 1.5 inches, what are the actual measurements

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.