Help with this question please

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).