Consider the points below. P(1, −4, 5), Q(−1, −2, 1), R(4, 1, −3)
(a)Find a nonzero vector orthogonal to the plane through the points P, Q, and R.

Incorrect: Your answer is incorrect.

(b)Find the area of the triangle PQR.
Incorrect: Your answer is incorrect.

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Predict which statements are true about the intervals of the continuous function. check all that apply