The Acme Company charges $28.50 plus $18 a room to clean carpet. The Bright Company charges $16.50 plus $20 a room. For what number of rooms would both carpet cleaners charge the same amount?

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?

If bradley saves for 4 weeks, what is the total amount of money he will have saved?

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean