The area of a circle is decreasing at a constant rate of 393 square feet per minute. At the instant when the area of the circle is 64pi square feet, what is the rate of change of the radius? Round your answer to three decimal places.

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents