Rewrite the series using summation notation. Use 1 as the lower limit of summation.3 + 6 + 9 + . . . + 21
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the unknown value.190 of 380 is what percent?
A. 100% B. 40% C. 50% D. 200%
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Approximate the value of the expression to 2 decimal places.tan-1(1.8) in radians
A. 29.05 B. 1.06 C. 60.95 D. 0.51
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.6x3 - 15x2y + 10xy2 - 25y3
A. (3x2 - 5y2)(2x + 5y) B. (3x2 + 5y)(2x - 5y) C. (3x2 + 5y2)(2x - 5y) D. (6x2 + 5y2)(x - 5y)
Mathematics
Use the power rule and the power of a product or quotient rule to simplify the expression.(2x3y3)2
A. 4x6y6 B. 4x5y5 C. 2x5y5 D. 2x6y6
Mathematics