Answer:
82
Step-by-step explanation:
The sum of scores for the 9 tests must be 90 * 9 = 810. The sum of scores for the 8 tests is 8 * 91 = 728 so the lowest score is 810 - 728 = 82.
Answer by JKismyhusbandbae: x < - 4 or x > 16
(Work is in picture)
72%
Divide 36 by 50 to get .72, and then convert it to a percentage
