Use the given vectors to find the value of the indicated scalar.u = -5i + 3j, v = -8i - 6j, w = -3i + 12j; Find u ? w + v ? w.
A. 3
B. -1
C. 10
D. 8
Answer: A
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Refer to the following normal curve, with mean ? and standard deviation ?.
A data value of 41 corresponds to a standardized value of
A. -0.5. B. -2. C. -1. D. -1.5. E. none of these
Find the distance d(P1, P2) between the points P1and P2.P1 = 
; P2 = 
A. 1.002 B. 0.029 C. 35 D. 0.998
Solve the problem.The algebraic expression 
describes the duration of a storm, in hours, whose diameter is d miles. Use a calculator to determine the duration of a storm with a diameter of 5 miles. Round to the nearest hundredth.
A. 11.18 hours B. 0.21 hours C. 0.78 hours D. 0.16 hours
Suppose that segment PQ has the given coordinates for one endpoint P and for its midpoint M. Find the coordinates of the other endpoint Q.P(3.6, -3.2) and M
A. Q
B. Q
C. Q(1.5, -2.6)
D. Q