Kinda don't understand how i'm supposed to work this out. help

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

Find the zeros of each function. f(x) = x^2 + 5x - 6

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅