Graph-2x+y=8 I need to know the answer

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Do,h = (7, 9) (14, 18) the scale factor is

:malik received a $300 gift card from his grandparents and is using it only to pay for his karate lessons, which cost $30 per month. determine what amount, in dollars, remains on the card after 8 months.