‏There are two different prices of seats at a concert . The higher priced seats sell for $ 20 and the less expensive seats sell for $ 16 . If a total of 1,000 tickets are sold and the total ticket sales are $ 18,400 , how many of each type of seat is sold

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.