Please help, how do I erased the background? Can you see two colors, I need white, but I don’t want to highlight

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

What’s -11-33k and factor each expression completely