Multiply the polynomials. Express the answer as a single polynomial in standard form.(x + 3y)(x - 3y)
A. x2 + 6xy - 9y2
B. x2 - 6y2
C. x2 - 9y2
D. x2 - 6xy - 9y2
Answer: C
Mathematics
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Identify the numeral as Babylonian, Mayan, or Greek. Give the equivalent in the Hindu-Arabic system.
A. Mayan; 5046 B. Babylonian; 8651 C. Mayan; 491 D. Mayan; 286
Mathematics
Use your calculator to solve the problem.The length (in feet) an industrial spring is stretched from its natural length with work, W
is given by L = 
, where k is a constant for the given spring. If a certain spring has a constant of 67.6 and has 287 foot-pounds of work applied, how far will it stretch?
A. 2.91 feet B. 2.06 feet C. 72.1 feet D. 8.49 feet
Mathematics
Solve and graph.x2 - 11x + 28 > 0
A. x < 4
B. x > 7
C. x < 4 or x > 7
D. 4 < x < 7
Mathematics
Solve the equation.19(x - 76) = 38
A. 38 B. 78 C. 76 D. 74
Mathematics