What is the focus of the parabola? y=−1/4x^2−x+3 enter your answer in the boxes.)

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

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane