How many seven-digit phone numbers are available in area code 869 if no phone number can begin with 0 and 1? 

A. 10,000,000
B. 8,000,000
C. 7,000,000


Answer: B

Mathematics

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Evaluate the integral.

A. x +  sin 3x +  sin 6x + C
B. x +  sin 3x +  sin 12x + C
C. x + 1 sin 6x +  sin 12x + C
D. x +  sin 6x +  sin 12x + C

Mathematics

Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.

A. x = -4, m: undefined B. y = x - 4, m = 0 C. y = -4, m: undefined D. y = x - 8, m = 1

Mathematics

Factor the difference of cubes.216 - (p + q)3

A. (6 - p - q)(36 + 6p + 6q + p2 + 2pq + q2) B. (6 - p - q)3 C. (6 + p + q)(36 - 6p - 6q + p2 + 2pq + q2) D. (6 - p - q)(36 + 6p + p2)

Mathematics

Solve the problem.Larry has $2000 to invest and needs $2500 in 15 years. What annual rate of return will he need to get in order to accomplish his goal? (Round your answer to two decimals.)

A. 1.49% B. 2.38% C. 1.38% D. 3.38%

Mathematics