Which statement makes the best open sentence 3x + 9 = 24 true? a. x= 3 b. x= 5 c. x= 11 d. x= 15

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)