Answer:
i dont get it
Step-by-step explanation:
Use substitution.
anywhere you see "a" , than you would plug in b + 2 in for it so....
(b - (b + 2)^4
now take the negative sign and distribute it "+"
so b - b is 0, than 0 - (-2) is -2.
so what is (-2)^4 ????? it would become positive 16
Answer:
26%
Step-by-step explanation:
Subtract the old amt from the new amt, then divide by the old amt:
19-15/15 = 4/15 = 26.6%. Rounded to the nearest tenth it would be 26%.