7p - 8 = -22
A- p=2
B- p=-2
C- p = 15
D- p=-15

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

What are the soultion(s) to the quadratic equation 40- x^2=0

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.