The table shows the number of students in a class who have allergies and/or have asthma:

have allergies do not have allergies total
have asthma 56 15 71
do not have asthma 40 ? 46
total 96 21 117

what is the missing number in the table?
5
6
16

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.