Answer: 100
Step-by-step explanation:

3 x 25 = 75
4 x 25 = 100
Answer:
it's the second to last one on the right side
Answer:
x = ± 5
Step-by-step explanation:
x² - 25 = 0 ( add 25 to both sides )
x² = 25 ( take square root of both sides )
x = ±
= ± 5
That is x = - 5, x = 5
Answer:
4 quizzes are taken per week
3/4 of 120
=3/4*120
=360/4
=90
3/8 of 160
=3/8*160
=480/8
=60