Silk cloth is on sale at a price of $19.80 for 5 yards. if 14 yards of the cloth are bought at the same rate, what is the estimated cost of the cloth? what is the actual cost of the cloth?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Yvaries inversely as x. y =12 when x=5. find y when x=4

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307