What is the solution to the equation x + 7 = 63?

9
16
56
70

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent