The graph of f(x) = 7x is shifted 8 units up. what is the equation of the new graph

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?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52