the answer are 4kg ,12kg and 20 kg
Answer:
$51.75
Step-by-step explanation:
Given
Total amount of bill, x= $45
Tip Percent=15%
⇒15% on $45 is to be paid extra as tip, other than the already paying $45
⇒Tip
So <em>total amount to be paid</em>= Bill+ tip
=$51.75
When you multiply the equation out and you simplify like terms you get.
2x^2 + 6xy + 4y^2
It is parallel because if you graph the points on graph paper they come out parallel.