3. Coloca V (verdadero) o F (falso). a) x + x = x2
b) 5x. 2x3 = 10x4
c) (x + 1)2 = x2 + 1
S
d) 5x2 + 2x2 = 7x4

Find x to the nearest hundredth place

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano