In 20 years mary will be three times as old as she is now. how old is she now?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

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 is the value of f(x) = 2.2 for f(-2)?