Factor completely. If unfactorable, indicate that the polynomial is prime.x2 + 18xy + 81y2
A. (x + 9y)2
B. prime
C. (x - 9y)2
D. (x + 9y)(x - 9y)
Answer: A
Mathematics
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = y - ex - 1, y(1) = 1, dx = 0.5
A. y1 = -0.5591, y2 = -3.6796, y3 = -9.1939 B. y1 = -0.3591, y2 = -3.2796, y3 = -9.1139 C. y1 = -0.1591, y2 = -2.8796, y3 = -9.0339 D. y1 = 0.0409, y2 = -2.4796, y3 = -8.9539
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve.Find the total cost of tiling a triangular area having a base length of 9 meters and a height of 5 meters if it costs $6.65 to tile one square meter. Round to the nearest cent.
A. $93.10 B. $45.00 C. $149.63 D. $299.25
Mathematics
Multiply.
? 
A. 
B. 
C. 
D. 
Mathematics