Yes it is, and don't worry, I hate school too! Amazing username!
Answer:A
Step-by-step explanation:
Answer:
z=4
Step-by-step explanation:
6+4=10
by pythagorean formula, the last side is √(61)
by cos rule
cos A

A = 39.81
Answer:
6.85
Step-by-step explanation:
6 17/20
Convert to improper fraction.
137/20
Divide.
= 6.85