Find the sum.1 + 3 + 5 + ... + 1575
A. 621,732
B. 622,521
C. 620,944
D. 619,369
Answer: C
Mathematics
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Find det A using the method of cofactors.A = 
A. -47 B. 37 C. -42 D. 42
Mathematics
Solve the problem.Find a polynomial that represents the volume of the cube.
A. 27x3 - 54x2 + 36x - 8 B. 54x2 - 72x + 24 C. 27x3 - 8 D. 27x3 + 108x - 8
Mathematics
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $20 per person. The members are to pay $4 to attend, with the club making up the difference. What percentage of the dinner's cost is the club going to pay?
A. 75% B. 90% C. 85% D. 80%
Mathematics
Evaluate the polynomial.-2x5 + 3x4 - 4x3 - x2for x = 2
A. -52 B. -57 C. -56 D. -23
Mathematics