Answer:
A
Step-by-step explanation:
A20-a18=a1+19d-a1-17d=2d =281-97
so
d=92
Answer:
22 33/40
Step-by-step explanation:
Answer:
False. Correct ratio is
Step-by-step explanation:
the ratio of sine is opposite over hypotenuse
(opposite is the side across from the angle and hypotenuse it the slant line in the triangle)