I got a 68% on my segment exam part 1 :( ima cry in my corner now

What does it mean by solve the exponential equation for x?

What is 32+4 x (16 x 1/2) -2 show your work}

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?