Answer:
7x+5
Step-by-step explanation:
2x+5+2x+3x
=2x+2x+3x+5
=7x+5
T=2A+4
S=5A-8
If Tom and Sara are 10 years old,
10=2A+4
6=2A
3=A
Not sure though
X divided by 4, it's ur expression
The circumference of a circle is all around the circle
The diameter is a line that crosses straight across a circle
And the radius is half the diameter :)
I hope this is what you were looking for! x^2 + xn + xm + mn