3) A mechanic gives an estimate of $344.15 to fix a car. He estimates the parts will cost $85.40 and his rate is $45 per hour. How many hours does he expect the job to take? For full credit: define a variable, set up the equation, solve, check, and give your answer in a sentence.

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9

answer: idk

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.