THIS IS MATH, I PRESS THE WRONG ONE

1. how many terms are in the following expression 6 + 2x - 4y + 5z

a. 1
b. 2
c. 3
d. 4

2. use the distributive property to re-write the expression 5(x + 2)

a. 5x + 2
b. 5x + 10
c. 5x + 25
d. x + 10