The function y=-0.2x+0.5 represents the percent y (in decimal form) of battery power remaining hours after you turn on a laptop computer

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

4x and 6y

im not sure though

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.