Answer:
C x +2y=8
Step-by-step explanation:
x+2y=8
x-x +2y = 8 -x
2y=8 -x
2y/2= 8/2 -x/2
y= 4 -1/2x
y= -1/2x =4 is the final answer
so it would be c
Answer:
since the unknown amount can buy 100 pencils
he bought 70 pencils
therefore $4.50 can buy 30 pencils
so 1 pencils cost $4.50 /30=0.15
The x-coord. of the vertex is halfway between the given zeros. Here, it'd be halfway between x=3 and x=9, which comes out to x = 6 (answer).
The amount after 7 years is given by:

The answer is: $20,948.15
Answer:
27
Step-by-step explanation:
First, lets write this down, 36 x 75%, then lets convert the percent: 36 x .75, multiply! And we get 27.