This rectangle has side lengths r and s. A rectangle with side lengths labeled r and s.
For each expression, say whether it gives the perimeter of the rectangle, the area of the rectangle, or neither.

r+s
r⋅s
2r+2s
r2+s2

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.