Hey guys I'd love to graduate Which expression is equivalent to sin(0.6x)-sin(0.4x)?
a. 2cos(0.5x)sin(0.1x)
b. 2cos(0.5x)cos(0.1x)
c. 2sin(0.5x)sin(0.1x)
d. -2sin(0.5x)sin(0.1x)
e. -2cos(0.5x)sin(0.1x)

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

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)