Step-by-step explanation:

Answer:
C. - 4x^2 + 5x - 4
Step-by-step explanation:
just expand the equation and you'll get C
Answer:
D. 5/3
Step-by-step explanation:






simplified

Hope this helps
Answer:
hi figure 1 is mentioning stuff about trigonomatry ratios
Step-by-step explanation:
9 feet on the sides hope this helps