Answer:
21.30
Step-by-step explanation:
85.20/4
Answer:
271
Step-by-step explanation:
F(x) = 1 - x
f(-3) = 1 - (-3)
f(-3) = 4
Answer:
4x - 4y - 7z
Step-by-step explanation:
x - 3y + 4z + y - 2x - 8z + 5x - 2y - 3z =
(x - 2x + 5x) + (y - 3y - 2y) + (4z - 8z - 3z) =
4x + (- 4y) + (-7z) =
4x - 4y - 7z <===
