Please help me out I need it done ASAP

Acircle has a circumference of 7.850 units. what is its radius?

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.

What is the solution set for z+10=z-2