Find the​ median of numbers. Please round your answer to one decimal place as needed. 98, 75, 99, 75, 54, 51, 98, 58, 71, 64, 54, 54.

Calculate. Round to two decimal places as needed.

What is the most important role of the nurse in the prevention of rheumatic fever?

How many sheets of metal are in a stack 6.00 in. high if each sheet is 0.0146 in.​ thick?

Plot the following data. Construct a​ double-bar graph of the data. Choose the correct graph below.

Convert the unit. Round to the four decimal places as necessary. 14,730 sq ft. = ____ acre.

Convert the unit. Round to the nearest tenth as necessary. 17.25 cu yd. = ____ cu. ft.

A rectangular playground 86 ft long and 52 ft wide is to be resurfaced at a cost of $3.25 per sq ft. What will the resurfacing​ cost? (Do not enter the $ sign with your answer.) 

Find the circumference of the circle below. Round your answer to the nearest tenth as necessary. Use the

A rectangular playground 84 ft long and 46 ft wide is to be resurfaced at a cost of $3.25 per sq ft. What will the resurfacing​ cost? (Do not enter the $ sign with your answer.)