Determine the unit rate.2296 cars in 820 households
A. 2.8 cars/household
B. 1476 cars/household
C. 0.357 car/household
D. 3116 cars/household
Answer: A
Mathematics
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Determine if the two fractions are equivalent.
and 
A. equivalent B. not equivalent
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Perform the indicated operation.(9x - 5y)(9x + 5y)
A. 81x2 - 25y2 B. 81x2 + 90xy - 25y2 C. 81x2 + 25y2 D. 81x2 - 90xy - 25y2
Mathematics
Solve the inequality and graph the solution set.4 - 3x + 7 ? -4x + 21
A. {x|x > -3} or (-3, ?)
B. {x|x ? 10} or (-?, 10]
C. {x|x ? 10} or [10, ?)
D. {x|x < -3} or (-?, -3)
Mathematics
Find the focus and directrix of the parabola.y2 = 16x
A. F: (4, 0); D: x = -4 B. F: (4, 0); D: x = 4 C. F: (0, 4); D: y = -4 D. F: (4, 4); D: x = 4
Mathematics