NEED HELP ASAP :) WILL MARK BRAINIEST!!!
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Answer:
1. slope: (180-100)/5 = 16
Y-intercept = 100
y = 16x + 100
2. Equation of a straight line is y=mx+c, where m is the slope and c is the y-intercept
3. It can be a model of balance in a bank account with initial deposit of $100, and simple interest of $16 earned every year
4. x = no. of years
y = account balance