For a test question, a mathematics teacher wants to find two constants a and b such that the test item "Simplify 
)" will have an answer of 
. What constants should the teacher use for a and b?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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Express the vector as a product of its length and direction.4j - 3k
A. 5
B. 5(j - k)
C. 5
D. 25
Mathematics
Find a simplified value for x by inspection. Do not use a calculator.
?
?
A. 243 B. 81 C. 7 D. 4 E. 5
Mathematics
Solve triangle ABC. If necessary, round the answer to the nearest tenth.A = 38.1°, C = 93.1°, b = 16.3 centimeters
A. B = 131.2°, a = 13.4 cm, 
cm
B. B = 131.2°, a = 10.1 cm, 
cm
C. B = 48.8°, a = 13.4 cm, 
cm
D. B = 48.8°, a = 10.1 cm, 
cm
Mathematics
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.3 - 8[9 - (9 + 6)]
A. -45 B. -48 C. 51 D. 30
Mathematics