What is the solution of this equation x + 6 =24

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Which is the graph of the function y=2(4)^x

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2