15f - 5 + 2f
Rearrange terms
15f + 2f -5
Factor f out
f(15+2) -5
Simplify
17f -5
Answer:
George is a good friend :)
Step-by-step explanation:
(10-5r)^2=(10-5r)(10-5r) or
25r^2-100r+100
divide the whole thing by 5 and get
5(5r^2-20r+20)
divide the whole thing by 5 again
25(r^2-4r+4)
factor by finding what two numbers add to get -4 and multiply to get 4 (-2 and -2 work)
r^2-4r+4=(r-2)(r-2) or 25((r-2)^2)
7$ he has to spend on the stuff
Answer:
I got 640 (I am so sorry if it is wrong)
Step-by-step explanation:
