Answer:
b.
Step-by-step explanation:
cos2θ = 2 cos^2 θ - 1
2cos^2 θ = 1 + cos2θ
cos^2 θ = (1 + cos2θ)/2
Answer:
yes
Step-by-step explanation:
16 because if you multiply 4x4 it equals 16
I think she is gonna have to pay $14 because if you divide the number it costs by the number of pounds she bought, you get the price per pound. Not sure though.
Answer:
8 square feet
Step-by-step explanation:
48/12=4
24/12=2
2x4=8