Factor completely: 25x2 - 64 a) 5(x - 8)(x + 8) b) 5(x - 8)(x - 8) c) (5x - 8)(5x + 8) d) (25x - 1)(x + 64)

Rewrite it in the form a^2 - b^2, where a = 5x and b = 8

(5x)^2 - 8^2

Use the Difference of Squares; a^2 - b^2 = (a + b)(a - b)

= C. (5x - 8)(5x + 8)

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high