Find the average rate of change of the area of a circle withrespect to its radius r as r changes from2 to each of the following. (i) 2 to 3 1
(ii) 2 to 2.5 2
(iii) 2 to 2. 1 3

Rita wants to buy sweater that was originally priced at $25 today the sweater is on sale for 40% off the original price what is the sale price of the sweater. rita has a coupon for an addition 10% off the sale price. how much will rita pay for the sweater before taxes

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have