Pls help me I’m stressed out ill give out brainliest please dont answer if you don’t know

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

Masons cell phone company charges $0.12 for every text message he sends plus $2.50 per month if mason sent 25 messages this month how much money does he owe the one with the correct answer and explanation gets 10 points and is marked as the brainliest answer