Using a reference triangle, find the exact value of the expression: sin(cos^-1(1-x))

A. sqrt(x(2+x)

B.1/sqrt(x(2+x))

C.1/sqrt(2+x)

D. sqrt(x(2-x))

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

What is the 12th term of b(n)=-4-2(n-1)

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.