15. Squared Proportion: Surface Area = 4x X R2 b. If radius decreases by a factor of 3, how much does the area change by?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?