Classify the angle as acute, obtuse, straight, or right. For right and straight angles indicate the number of degrees in the angle.
A. Obtuse
B. Acute
C. Right (90°)
D. Straight (180°)
Answer: A
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Solve the problem.In 1880 the population of a midwest city was 19,000. By 1920 it had grown to 20,000. If it continues to grow at the same rate, what will the population be in 1939? Give your answer to the nearest whole number.
A. 20,475 B. 19,476 C. 21,000 D. 20,000
Determine whether the equation has no solution, one solution, or infinitely many solutions.10k - 69 = 5(2k - 15)
A. Infinitely many solutions B. No solutions C. One solution
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
Tuition for Student 1 is $1091, tuition for Student 2 is $839, and tuition for Student 3 is $779.
B.
AB = 
Tuition for Student 1 is $1097, tuition for Student 2 is $839, and tuition for Student 3 is $803.
C.
AB = 
Tuition for Student 1 is $1098, tuition for Student 2 is $837, and tuition for Student 3 is $793.
D.
AB = 
Tuition for Student 1 is $1108, tuition for Student 2 is $823, and tuition for Student 3 is $801.
Answer the question.Which pair of values of x and y makes x - 3y equal 5?
A. x = 11 and y = 2 B. x = 4 and y = 3 C. x = 3 and y = 4 D. x = 2 and y = 11