Is the following a sinusoid or not 1) f(x)= sin x-3 cos x yes or no 2) f(x) = sin 20x + cos 8x yes or no

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

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.