Both angles added together equal 180 degrees.
B = 180 - 45 = 135 degrees.
Answer:
Decimal form = 0.68199836
Answer:
C
Step-by-step explanation:
Y= -2(3)^2 - 3(3) -6
Y= -2(9) -9 - 6
Y= -18 - 15
Y= -33
This diagram show the sound wave have a high pitch
Answer:
10%
Step-by-step explanation:
80-10%= 72
Hope this helps!