it would have to be a, because using pythagorean theorem, we can find that a squared + b squared = c squared. substitute that for 1 + b squared = 4; b squared=3 b = square root of 3
Answer:
46mins
EXPLANATION
20 cents=10mins
customers working hrs=$4.60*10
$4.60*10=46 minutes
X=-2
You can also check by plugging -2 in for x. Here is a picture. Please notify me if I made an error!