Which equation combines with the given equation to form a system of equations with the solution x = 3 and y = 9? x + 2y = 21

Clare buys an item with a normal price of $24, but saves $6 by using a coupon. For what percentage off is this coupon?

The line segment is rotated 270 degrees counterclockwise about the origin to form R'S'. Which statement describes R'S'?

To find the height of a tower, a surveyor positions a transit that is 2 meters tall at a spot 35 meters from the base of the tower. She measures the angle of elevation to the top of the tower to be 37°.

Complete the solution of the equation. Find the value of y when x equals - 4. - 8x + y = 37

The table represents function f, and the graph represents function g. -2 - 1 0 7 0 - 5 1 -8 2 -9 3 -8 4 -5 The line of symmetry for function fis and the line of symmetry for function gis The y-intercept of function fis the y-intercept of function g.

Find the area under the line y=4x+1 between x=2 and x=3

Prove the trigonometric identity: (csc^2x) / (cotx) = cscxsecx ... ?

What is (3x + 5) - (x + 2)

1. Simplify. tan (x + 540) 2. Simplify the expression. sec (x - 360) 3. Simplify. 5cos (x) + 3cos (-x)

When looking at a rational function f of x equals the quantity x plus three times the quantity x minus two times the quantity x plus five all divided by the quantity x minus three times the quantity x plus two times the quantity x minus 5, Charles