3. a ladder that is 20 feet long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees, how far is the bottom of the ladder from the base of the building?

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.