Answer:
D. x^2 +14x + 40
Step-by-step explanation:
(x+4)(x+10)
x^2+10x+4x+40
x^2+14x+40
Answer:
x + 10
Step-by-step explanation:

Answer:
right angle?
Step-by-step explanation:
Answer: -9 1/4.
Step-by-step explanation:
This is an linear equation, so
y=mx + b
m= money w=weeks
m= -20w +200