Set up a proportion: 25/100 = 50/n where n = # of teens surveyed
Simplify fraction: 1/4 = 50/n
Cross multiply: n = 200
So 200 teens were surveyed.
(x^2-1)(x^2+7) should be your answer
Answer:
Step-by-step explanation:
481 = 1.5h + 403
Answer:
2x squared +1 (-)x squared -7 is
a.) x squared +8
Step-by-step explanation:
:)
Answer: The first option (A)
Step-by-step explanation: