Answer:
Step-by-step explanation:
f(x) = -5x + 8(7 - x)......when f(x) = 160
160 = -5x + 8(7 - x)
160 = -5x + 56 - 8x
160 - 56 = -5x - 8x
104 = - 13x
-104/13 = x
-8 = x <====
Yes, they cross each other and make an angle of 90° or right angle.
Answer:
In this case, "this expression" is not present, so you cannot get an answer from anyone.
Answer:
C) The sum of the first 2 terms after the fourth term.