Can someone me?

a swimming pool has a diameter of 32 feet.

what is the area of the swimming pool that needs to be covered by a tarp?

use 3.14 to approximate for π .

enter your answer to the nearest tenth in the box.

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.