An other question more help plz?

If a is a nonzero real number then the reciprocal of a is

Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 · 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 · 2 = 12 7 - 4 = 11 or 6 + 3 = 9

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top