The values of two angles of a triangle are 90°90\degree90° and 45°45\degree45°, respectively. Calculate the value of the third angle of the triangle in degrees.

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

Find the missing factor. write your answer inexponential form.9^2=9^4×

Which of the following parabolas opens up?