Ineed with 13-19 anyone (25 points) it’s like fill in the blank ..using the two pics top right to answer the questions

Yo y do yall have 2 stars that means yall wrong bro

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Factor the expression using gcf 9b+45