Need
the expression 0.07x+(x−300) models the final price of a television set with an instant rebate in a state that charges a sales tax. the sales tax is on the original price.

which expression represents the price of the television set after the instant rebate is applied but before the tax is applied?

a.) 0.07x-300
b.) x-300
c.) 1.07x
d.) 0.07x