Solve the problem.How many 10-digit telephone numbers (area code + number) are possible if the first digit cannot be zero, the first three digits cannot be 800 or 900, and the number must end in 0000?
A. 899,000
B. 654,642
C. 900,000
D. 898,000
Answer: D
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Solve and simplify.
+ m = 
A. m = 
B. m = 
C. m = 
D. m = 
Solve.When 28 is subtracted from 6 times a certain number, the result is 104. What is the number?
A. 22
B. - 
C. 596
D. 33
Find the general solution of the differential equation 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Describe the right-hand and the left-hand behavior of the graph of 
.
A. Because the degree is odd and the leading coefficient is negative, the graph rises to the left and falls to the right. B. Because the degree is odd and the leading coefficient is negative, the graph falls to the left and rises to the right. C. Because the degree is odd and the leading coefficient is positive, the graph falls to the left and falls to the right. D. Because the degree is odd and the leading coefficient is positive, the graph rises to the left and rises to the right. E. Because the degree is even and the leading coefficient is negative, the graph rises to the left and falls to the right.