Which equation is equivalent to x + 8 = 21? A. (X + 8) x 4 = 21
B. (X + 8) x 4 = 21 - 4
C. (X + 8) x 4 = 21 x 2
D. (X + 8) x 4 = 21 x 4

What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.