10 4/5 - 2 1/5
i am having trouble finding this answer

Find the solution of system of equation y= x-4 y=4x+2

Describe the domain and range of y=2(3)^x-2+5

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.