Two concentric circles with radii of 19 and 29 units bound a shaded region. a third circle will be drawn with area equal to that of the shaded area. what must the radius of the third circle be?

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

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

Abank gives 6.5% interest per year. what is the growth factor b in this situation?