15.) cylinder a has a radius of 4 inches and a height of 2 inches. cylinder b has a radius of 2 inches. what is the height of cylinder b to the nearest inch if both cylinders have the same volume?

me!

i already have the volume for each, i just don't know what to do next

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?