Ineed correct answers
brad can make 4 key chains in an hour. velma can make only 3 key chains in an hour, but she already has 6 completed key chains. explain to brad how he can use a system of equations to determine when he will have the same number of key chains as velma. use complete sentences.

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.