At an electronics store, the price of a tablet is marked down 15% to $212.50. what was the price of the tablet before the markdown?

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.