Which equation represents a line that is perpendicular to the y axis? Please tell me how you got the answer!

A. y=9x
B. x= 15y
C. y= -8
D. x= -17

To prove "p is equal to q" using an indirect proof, what would your starting assumption be?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)