Does anyone mind helping me with this please?

Which expression is equivalent to -5(3x - 6/7)

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?