The cost of a service call to fix a washing machine can be expressed by the linear function Y = 45x+35, where y represents th total cost and x represents the number of hours it takes to fix the machine. What does the y-intercept represent?

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Construct the graph that models the given situation

Which one is the correct answer, and why?