Use cross products to determine whether the pair of fractions is equivalent.
and 
A. not equivalent
B. equivalent
Answer: A
Mathematics
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Replace the polar equation with an equivalent Cartesian equation. r = 28 sin ?
A. x2 + (y - 14)2 = 196 B. y = 28 C. x2 + (y - 28)2 = 196 D. (x - 14)2 + y2 = 196
Mathematics
Convert the common fraction into decimal form. If necessary, round to the nearest thousandth.
A. 0.8 B. 0.072 C. 0.615 D. 0.727
Mathematics
Find the exact value by using a half-angle identity.sin 
A. - 
B. 
C. 
D. - 
Mathematics
Use the given information to find the quadrant in which ? lies.sec ? < 0 and tan ? < 0
A. Quadrant I B. Quadrant III C. Quadrant IV D. Quadrant II
Mathematics