Which is shown below 55 = 2 + 53
A. An expression
B. An operation
C. An equation
D. An inequality

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.