For maximum benefit during exercise, one's heart rate should increase by 50% to 85% above resting heart rate. (a) alice has a resting heart rate of 70 bpm (beats per minute). what would her heart rate be if she increased it by 80% during exercise?

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?