Find the area of the circle given the radius. Round to the nearest hundredth when necessary.
r = 16.5 in

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Find the nonpermissible replacement for binthis expression. b2/5b +5

If f(x)=x+7 and g(x)=1/x what is (fog)(x)