13) You have a $50 gift card to spend at Biggby. Hot chocolate costs $4 and packs of donut holes cost $2. Leth be the number of hot chocolates purchased, and d be the number of packs of donut holes purchased. Write an inequality that models situation.

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.