Find the indicated vector.Let u = 
. Find 9u.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the linear equation.8x - 7 = -2 - 4x
A. 
B. - 
C. 
D. - 
Mathematics
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Less than 15.2 seconds
A. 34% B. 68% C. 50% D. 16%
Mathematics
Prove the formula for all natural numbers n.
?
?
List the steps involved.
What will be an ideal response?
Mathematics
Solve the inequality. Express your answer using interval notation.-4 ? 
x - 8 < 0
A. (3, 6]
B. [3, 6)
C. (3, 4]
D. [3, 4)
Mathematics