Use a sum or difference identity to determine a value of x between 0 and 360 that
makes the statement true.
cos(x) = cos(100°)cos(106°)-sin(100°)sin(106 °)

What signals you that factoring by grouping is the best method to use when factoring a problem?

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.