Find the indicated matrix.Let C = 
and D = 
. Find C - 4D.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Perform the addition. Express your answer in simplest form.
+ 
A. 1
B. 
C. 6
D. 
Mathematics
Solve the compound inequality. Write your answer in interval notation or state that there is no solution.1 - 3x ? 7 or 7x + 3 ? -25
A. [-2, ?) B. (-?, ?) C. (-?, -4) ? (-2, ?) D. (-?, -4] ? [-2, ?)
Mathematics
Solve the polynomial equation graphically or numerically. Round to the nearest hundredth if necessary.x4 + 15x3 + 49x2 - 15x - 50 = 0
A. -10, -5, -1, 1 B. -1, 1, 5, 10 C. -5, -1, 1, 10 D. -10, -5, 1, 1
Mathematics
Solve the problem.
gives the alcohol level in an average person's blood x hrs after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Would a person be drunk after 6 hours?
A. Yes B. No
Mathematics