I believe it's A!
I hope this helps!
243.875 to the nearest one is 244 because it is closer to 244 than it is to 243.
243.875 to the nearest tenth is 243.9 because it is closer to 243.9 than it is to 243.8
243.875 to the nearest hundreth is 243.88 because it is closer to 243.88 than it is to 243.87
Laughter enhances your intake of oxygen-rich air, stimulates your heart, lungs and muscles, and increases the endorphins that are released by your brain. Activate and relieve your stress response.
What exactly do you need help with? Writing an essay?