Please help asap, thank you!!

Which percentage, when multiplied by the number that is calculated by subtracting a person's age by 220, determines target heart rate?

40

50

60

70

The following are all tips for mindful eating except:

Which a hammer strikes a compound formed by covalent bounds

Which of the following is a benefit of the affordable care act? select all that apply. improved quality of healthcare increased health insurance costs increased prescription costs improved protection against health care fraud small business tax increases