Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.1, 5, 9, 13, 17, . . .
A. Arithmetic; a = 1, d = 4
B. Not arithmetic
Answer: A
Mathematics
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Distribute. Write the answer in descending order.1(9 - 5c2 + 6c)
A. 5c2 - 6c + 9 B. -5c2 + 6c + 9 C. 5c2 + 6c + 9 D. -5c2 + 6c - 9
Mathematics
Solve using the addition principle.x + 11 = 14
A. 3
B. 25
C. -3
D. 
Mathematics
The graduates at a southern university are shown in the table. 
A student is selected at random from the graduating class.Find the probability that the student is female, given that the student is receiving an education degree, P(F|E).
A. P(F|E) = 
B. P(F|E) = 
C. P(F|E) = 
D. P(F|E) = 
Mathematics
Verify that the matrix is invertible and find its inverse.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 does not exist.
Mathematics