The area of a circle is expanding at a rate of 5 inches^2/sec. At what rate is the radius changing when the radius is 8 inches?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way