Which of the following is equivalent to y = sin(x+pi/4) A. cos(x+pi/4)
B. cos(x-pi/4)
C. cos(x+pi/2)
D. cos(x- pi/2)
E. cos(x)

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Find the area of a parallelogram with base 15 yards and height 21 2/3

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x