Answer:
x= 0.22947
Step-by-step explanation:
565+65=630 so he needs that much to get the bike AND pay his sister back. 630 divided by $30 is 21. So, in 21 weeks, Steven Can pay back his sister and get the bike
Answer:
1) a = 1.6 2) f = 0.53
Step-by-step explanation:
1) 6a = 10 2) 48 = 90f
6a/6 = 10/6 90f/90 = 48/90
a = 1.6 f = 0.53
sorry i could only do the first two, i think those are right
Answer:
7x^2 -28x +28
Step-by-step explanation:
7(x - 2)^2
7 ( x-2)(x-2)
Foil
7 ( x^2 -2x-2x+4)
Combine like terms
7( x^2 -4x+4)
Distribute
7x^2 -28x +28
(x-1) (x+6) is the answer