Add.(4x2 - 2xy + y2) + (4x2 - 5xy - y2) + (x2 + xy - y2)
A. 8x2 - 7xy - y2
B. 9x2 - 6xy + y2
C. 9x2 - 6xy - y2
D. 7x2 - 8xy - y2
Answer: C
Mathematics
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It is a fact that if you drop a rock, it will fall 16 feet the first second of the fall. The next second it will fall 48 feet. In view of this fact, I can conclude that the distance a rock falls is a linear function of the time since the rock was dropped.
Answer the following statement true (T) or false (F)
Mathematics
Write the decimal point in the correct location. 0.20736 ÷ 0.24 = 864
A. 86.4 B. 0.864 C. 0.0864 D. 8.64
Mathematics
Solve.What number is 23% of 60?
A. 138 B. 13.8 C. 27.6 D. 1.38
Mathematics
Determine whether f is continuous at c.f(x) = 
;c = 2
A. continuous B. not continuous
Mathematics