66 Dans chaque cas, factoriser. a) y2 - 10y + 25 b) y2 +10y + 25
d) 4x4 - 36
e) 36x2 - 12x +1
c) y? - 49
f) 20 - 5x?

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.