Write an equation out the cosine function with amplitude 2 and period of 6pi
y=-2 cos (1/6x)
y=-1/2 cos (1/3x)
y=2 cos (1/3x)
y=1/2 cos (1/6x)

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3