Solve the problem.How many 4-letter codes can be formed using the letters A, B, C, D, E, and F? No letter can be used more than once.
A. 15
B. 360
C. 60
D. 30
Answer: B
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Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
Find the correct end behavior diagram for the given polynomial function.f(x) = -x6 + 2x5 - x2 - 9x + 9
A. 
B. 
C. 
D. 
At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are between 15.2 and 16.1 seconds.
A. 34% B. 50% C. 68% D. 13.5%
An isosceles triangle is a triangle in which two sides are equal in length. The angle between the two equal sides is called the vertex angle, while the other two angles are called the base angles. If the vertex angle is 60°, what is the measure of the base angles? ?
A. 50° B. 60° C. 45° D. 80° E. 65°