N=number
A: n divided by 7 minus 10
B: n times 7 minus 10
C: 10 divided by 7 minus n
D: n divided by 7 minus 10
Answer:
<h2>H = 3</h2>
Step-by-step explanation:

Answer:
21 quizzes
Step-by-step explanation:
3 quizzes per week 9÷3=3
7 weeks = 3×7 so 21 quizzes
X = 8.
2 (8) -4 = 12. LM=12