if anyone answer this question correctly will get 100 points and a marked brainllest at 1:02 just add me and answer below and its yours.

Answer:
1. -2
2. -3
3.
a. 155x+375 >= 900
b. x>=3.38709677. or technically >=4 because you get payed at the end of a week?
Step-by-step explanation:
1. (y-y)/)x-x)
2. same thing
3 a. 155 is the rate, 375 is the starting value
b. subtract 375, divide by 155