The answer is a because it starts at 0 then goes up to 23 and then it goes up to 46.
21-3= 18 and 18 divided by 6 equals 3 so v=3
When one number is negative and the other is positive.
Answer:

Step-by-step explanation:
Using the rule of exponents
×
=
, then
×
=
= 
When you have two squares stacked on top of each other, pretend the angle in the bottom left of the top square is a 90 degree angle, that means that the angle of the square right underneath, also sharing the line, is a 90 degree angle. Or whatever you would need to get it equal to 180, my example was 90/90.