Write the standard form of the line passing thru (-2,-2) and a sople of -8

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.