Write the expression as one involving only sin x and cos x.

sin 2x + COS X

[?]x(2 sin x + [?])

fill in the [?]

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25