2x+3x+4 is equivalent with 5x+4 and 3(4x+2) is equivalent to 12x+6 and then the last two
x is the middle line because it divides each catheter into two equal parts.
==> x is half the hypotenuse.

Answer:
negative 5
Step-by-step explanation:
4-9= -5
The answer would be C because n is the number of children and it costs $5.50 per child plus an extra design fee of $45