Answer:
C. 40
Step-by-step explanation:
20 + 4x = 180
subtract 20 from both sides
4x = 160
Divide both sides by
x = 40
Answer:
D
Step-by-step explanation:
you can express them in all the above form
Answer:
7(x)=5x+7
to find the x / zero intercept, plug in f (x) = 0
0=5x+7
move the left side and change the sign
-5x7
divide both of the equation by -5
x= 
same steps for g(x)=-2x-4
x=-2
Answer:
.4 yards of fabric were used for each pillow.
Steps:
2/5=0.4 (or
)
9x(12+7)
distribute the 9x
108x+63