Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write the number in scientific notation.370,000,000
A. 3.7 × 107 B. 3.7 × 109 C. 3.7 × 108 D. 3.07 × 109
Mathematics
Find the indicated angle or side. Give an exact answer.Find the measure of angle A in degrees.
A. 75° B. 60° C. 30° D. 45°
Mathematics
Evaluate.
A. 
B. 3
C. 238
D. -3
Mathematics
Divide. If the division is not possible, write "undefined."
A. 50 B. 49 R3 C. 49 D. 49 R1
Mathematics