On the first play of the game, the wildcats gained 8 yd. what integer represents a gain of 8 yd?

The integer 8 represents a gain of 8 yards.

From 0:

A positive number would mean you gained more numbers than lost numbers.
A negative number would mean you lost more numbers than gained numbers.

Therefore, positive is a gain.

So a gain of 8 yards would be positive 8, or just 8.

Hope this helps! :)

40 & 50 in the right corner are the complementary angles as when placed in a sum (added together) they make 90°