If the edge length of a cube is 12 feet, what is the correct way to write the expression to represent the volume of the cube in exponential form?
a. 12^3
b. 12 x 12 x 12
c. 3^12
d. 1^2

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations