Factor completely. If the polynomial is prime, so state.x2 - 10xy + 21y2
A. (x + 3y)(x - 7y)
B. (x - 3y)(x + 7y)
C. (x - 3y)(x - 7y)
D. (x + 3y)(x + 7y)
Answer: C
Mathematics
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A. 22 B. 10 C. 28 D. 18
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Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.B = 49°C = 115°b = 49
A. A = 16°, a = 19.9, c = 60.8 B. A = 16°, a = 17.9, c = 58.8 C. A = 14°, a = 60.8, c = 19.9 D. A = 14°, a = 58.8, c = 17.9
Mathematics
Classify the statement as true or false.12 ? {x 
x is an even number}
A. True B. False
Mathematics
Complete.684 in = 
yd
A. 57 B. 19 C. 2052 D. 228
Mathematics