Joanna ran a mile in physical education class. after resting for one hour, her heart rate was 60 beats per minute. if her heart rate decreased by 2/5, what was her heart rate immediately after she ran the mile?

Find the area of an equilateral triangle with a side of 6 inches

Me. i can't figure out this question. give an explanation too. .

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.