Answer:
1. True, 2. False, 3. I am blind.
Step-by-step explanation:
For the 3rd one I cannot confirm becaue I am blind.
Answer:
.
Step-by-step explanation:
3x+5y=10 and 5x-3y=-6 is perpendicular.
Answer: S=28
Step-by-step explanation:
Answer:
$480
Step-by-step explanation:
So first, you find how much he paid per hour which would be 80 * 5 = $400. Then, you have to add the tip in so you do $400 * 1.2 (or 120%) = $480.