Answer:
It decreased by 25%
Step-by-step explanation:
8 x .25=2
8 - 2 = 6
Answer:
16) 
17) y = -x - 4
18) y = -2x - 1
19) y = -2x
20)
Step-by-step explanation:
With the two points you find the slope using 
Then using that slope, plug the slope in with one of the points values of x and y into the point slope formula, and smiplify that into the y-intercept formula.
Answer:
(x+2)^3=x^3-6x^2+12x-8
Step-by-step explanation:
Step-by-step explanation:
1)a) 925×4.25=3931,25
b) 1806.25:4.25=425
I don't know second one.
3)a 55×1.12=61.6
b)
15 miles cause you do 5 times 3 and you get 15 miles