The expression 1/2 bh gives the area of a triangle where b is the base of the triangle and h is the height of the triangle. what is the area of a triangle with a base of 7 cm and a height of 4 cm. ?

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.