I think its b iam not to sure i have the same question myself
Photomath bro saved my life
Answer:
80 students
Step-by-step explanation:
12/80 is 0.15 or 15%
120 + 90 = 210 points
350 - 210 = 140 OR
351 - 210 = 141 (if it must be more than 350, you need <em>at least </em>351 points total, or 141 more points, to get a grade B)
Step-by-step explanation:
the patern (3n - 1) is incorrect,
the correct pattern should be
Tn = n² + 1
