The volume of a cone is 1300 in. If the radius of the cone is 5 inches, what is the height of the cone? (Use 3.14 for 1.) (Round your answer to the nearest whole
number.)

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?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Factor and solve to find roots x squared -x - 90 =0