Answer:
cos4B =1-8sin^2(B)+8sin^4(B)
Step-by-step explanation:
y = y coordinate
m = slope
x = x coordinate
b = y intercept
Answer: -60
5 - 1/3x = -15
-1/3x = -20
(-3/1)-1/3x=-20(-3/1)
x = -60
-1<9+n<17
-1-9<n<17-9
-10<n<8
14.64 cents
5(5/14) + 10(3/14) + 25(6/14)
= 205/14
Approx. 14.64 cents