The numbers of unforced errors a tennis player made in four sets of tennis were recorded. The numbers were 15, 42, 44 and 18. How many unforced errors did this player make in the fifth set if the mean number of unforced errors for the five sets was 30?
A) 30 unforced errors
B) 29 unforced errors
C) 31 unforced errors
D) 33 unforced errors
E) 15 unforced errors
C) 31 unforced errors
Mathematics
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Let A = {0, 2, 4, 6, 8, 10}, B = {0, 3, 6, 9}, C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, and D = {0, 4, 8}. Determine if the statement is true or false.D ? D
A. True B. False
Mathematics
Solve.7 - 4(4t - 19) = -45
A. 8 B. 10 C. 9 D. 7
Mathematics
Solve the problem. Round your answer to the nearest cent.Find the 7-year future value of an ordinary annuity with a contribution of $100 per year into an account that pays 6% per year, compounded annually.
A. $839.38 B. $236.42 C. $2506.05 D. $697.53
Mathematics
Find the difference and simplify the answer. 
- 
A. 
B. 1
C. 
D. 28
Mathematics