Solve the problem.What is the coefficient of x4y11 in the expansion of (x + y)15?
A. 5460
B. 1365
C. 4
D. 455
Answer: B
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Solve the problem.The graph shows an idealized linear relationship for the average monthly payments to retirees from 1995 through 1999. Find the midpoint of the line segment to estimate the payment for 1997. Average Monthly Payments to Retiree
1995 1997 1999a = $452; b = $484
A. 500 dollars B. 468 dollars C. 16 dollars D. 484 dollars
Find the first four terms of the sequence.an = an-1 + 7; a1 = 5
A. 5, 7, 14, 21 B. 12, 19, 26, 33 C. 5, 12, 19, 26 D. 0, 7, 14, 21
Evaluate or simplify the expression without using a calculator.5
A. 11.2035 B. 47 C. 470 D. 4.7
Find the length of the arc intercepted by a central angle ? in a circle of given diameter or radius. Round your answer to as many places as your calculator will allow.Diameter 12.18 in., ? = 96°
A. 10.2038929 in. B. 10.4038929 in. C. 10.3038929 in. D. 10.5038929 in.