Answer:
$1
Step-by-step explanation:
Let's call the ringtone r. If the ringtone and $3 equals $4, then we can write the equation $4=$3+r. To solve, all you have to do is isolate the r by subtracting 3 on each side.
x^2+2x -6
f(x)=2x+1
g(x)=x^2-7
(f+g)(x)= 2x+1+x^2-7
Combine like terms
= x^2+2x -6
Answer: witch one?
4 HOPE IM NOT WRONG O-O
Answer:239.68
Step-by-step explanation:0.75 plus 0.32 = 1.07 times 224
1986*1.04^(23) = 4894.93
4894.93-1986 = 2908.93
Answer is A