2. what is the exact area of a circle having radius 7 in.?
a 491 in 2
b 221 in 2
c 154 in.2
d 441 in.

Question 13 of 451 pointwhich statement correctly describes the inverse of the following function? a. it is negative. b. it is a horizontal shift. c. it is not a function. d. it is a function. give an explanation as to why you chose that answer. (i think its either a or d.)

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points