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xavier is thinking of a number. nine more than four times the number is the same as fifteen less than twice the number. what is xavier's number?
(equation: 4x + 9 = 15 - 2x)
solve for x

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?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Someone which statements are true? check all that apply.