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?

100 points, hi, i’m not sure how to get the equation from the graph and table.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.