Which expression is equivalent to cos(103°)cos(54°) – sin(103°)sin(54°)? sin(49°)
cos(49°)
sin(157°)
cos(157°)

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p