Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 
C. 10
D. 0
Answer: A
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Find an equation of a parabola that satisfies the given conditions.Vertex (7, -10), focus (7, -6)
A. (x - 7)2 = 16(y + 10) B. 16(y - 10) = (x + 7)2 C. y - 10 = 16(x + 7)2 D. (y + 10)2 = 16(x - 7)
Factor.12x2 + 10xy - 12y2
A. 2(3x - 2y)(2x + 3y) B. 2(3x - 2y)(2x - 3y) C. 2(3x + 2y)(2x - 3y) D. 2(6x2 + 5xy - 6y2)
Solve the problem.An airplane leaves Los Angeles for Denver at a speed of 400 mph. Thirty minutes later, a plane going from Denver to Los Angeles leaves Denver, which is 850 miles from Los Angeles, at a speed of 500 mph. When they meet, how far are they from Denver?
A. 61 miles B. 306 miles C. 122 miles D. 361 miles
Write the decimal in words.0.067
A. Sixty-seven hundredths B. Sixty-seven hundred-thousandths C. Sixty-seven thousandths D. Sixty-seven ten-thousandths