Please help me! Gabriella sold half of her comic books and then bought fifteen more. She now has 34. How many comic books
did she have in the beginning?

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.