An oak tree is 60 feet tall and casts a 40-foot shadow. what is the approximate distance from the top of the oak tree to the top its shadow?

20 feet
72 feet
100 feet

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Which of the following is true for the relation f(x)=2x^2+1

Which of the following graphs could represent a cubic function?