Find the average rate of change for f(x)=x^2-3x-10 from x=-5 to x=10

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

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?

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2