Answer:
its the second one
Step-by-step explanation:
B. 19.8
Use the Pythagorean theorem:
14.2^ + x^ = 24.4^
201.64 + x^ = 595.36
x^ = 393.72
x = 19.84
Step-by-step explanation:
28+29=57
57+42=99 so 99 should be your answer
(x² + 10)(6x - 5)
6x³ - 5x² + 60x - 50 or the second option
Answer:
B)y = 3x^2 - 3x-18
Step-by-step explanation:
y = (3x – 9)(x + 2)
y = 3x*x+3x*2-9*x-9*2
y = 3x^2 +6x-9x-18
y = 3x^2 - 3x-18