Solve the system.
A. (-4, 4, 1)
B. (-4, 1, 4)
C. (4, 1, -4)
D. ?
Answer: D
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Find the indicated probability or percentage for the normally distributed variable.The volumes of soda in quart soda bottles are normally distributed with a mean of 32.3 oz and a standard deviation of 1.2 oz. What is the probability that the volume of soda in a randomly selected bottle will be less than 32 oz?
A. 0.382 B. 0.099 C. 0.599 D. 0.401
Solve the inequality. Write the solution set in interval notation.x2(x + 16)2 < 0
A. ? B. (-?, -4] ? [0, 4] C. (-?, ?) D. [-4, 0] ? [4, ?)
Solve the problem.How many arrangements of answers are possible in a multiple-choice test with 9 questions, each of which has 5 possible answers?
A. 1,953,125 B. 15,120 C. 3024 D. 126
Find the measure of the indicated angle.One of the base angles of an isosceles triangle is 40°. Find the measures of the other two angles. (An isosceles triangle has two equal base angles.)
A. 40°, 280° B. 40°, 10° C. 40°, 100° D. 40°, 80°