Solve the equation.3x - 5 - 8x - 8 = 2x - 7x - 16
A. all real numbers
B. 0
C. ?
D. -256
Answer: C
Mathematics
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Add: – 12 + 12
A. 0 B. 24 C. – 24 D. 20
Mathematics
Set up an integral for the length of the curve.x = sin 6y, - ? ? y ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 30 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 25 feet from the center is to be 11 feet above ground?
A. 26.87 ft B. 53.74 ft C. 136.36 ft D. 39.8 ft
Mathematics
Find the triple scalar product (u x v) ? w of the given vectors.u = -5i - 3j + 4j; v = 5i - 2j + 6k; w = 7i - 9j - 8k
A. 9 B. -228 C. -580 D. -592
Mathematics