Sally and audrey had the same amount of money. after sally had spent $60 and audrey had spent $84, the amount of money sally had left was thrice as much as audrey's. how much money did sally have at first? use basic math, i need this by tomorrow. ( the bottom one )

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two