Multiply using one of the rules for the square of a binomial. Assume any variable exponents represent whole numbers.(x + 8)2
A. x + 64
B. x2 + 16x + 64
C. 64x2 + 16x + 64
D. x2 + 64
Answer: B
Mathematics
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Fill in the blank with the appropriate symbol, ? or ? .64 
{4, 8, 16, 32, . . .}
A. ? B. ?
Mathematics
Find the mean. If necessary, round to one decimal place.16, 8, 21, 16
A. 23 B. 15.3 C. 15.8 D. 13.8
Mathematics
Transform the equation by rotating the axes through the given angle. Identify the curve.31x2 + 10
xy + 21y2 - 144 = 0, ? = 30°
A. 
+ 
= 1; ellipse
B. 
+ 
= 1; ellipse
C. y'2 = -4
x'; parabola
D. x'2 = -4
y'; parabola
Mathematics
Complete.5.69 T = 
lb
A. 0.02845 B. 11,380 C. 1,138 D. 0.002845
Mathematics