Jacob scored 85%, 90%, and 74% on his first three tests. Then he scored 99%, 84% and 75% on his next three tests. What is the difference in the average of the first three tests compared to the last three tests?

The average of the first three is 83 (85 + 90 + 74)/3
The average of the next 3 is 86.

The difference is 3

Your answer would be ahere is how: perimeter is how long all the sides are. in a rectangle, there are two sets of parallel sides. so, to find this, we would to the following.(15x2)+(4x2)30+838if you have questions ask! and mark me brainliest! i really wanna level up : 3