Use the square root property to solve the equation.x2 + 4 = 85
A. ±8
B. ±9
C. 9
D. 42.5
Answer: B
Mathematics
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Find the LCD. Do not combine fractions.
, 
A. 3ab B. a2b2 C. 4a2b2 D. 3a2b2
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Find the radian measure of a central angle of the circle of radius r that intercepts the arc of length s. Round your answer to three decimal places.r = 18 centimeters, s = 9 centimeters
A. 0.5 radians B. 162 radians C. 1.571 radians D. 2 radians
Mathematics
Factor completely.1000p3 - 1
A. (10p + 1)(100p2 - 10p + 1) B. (10p - 1)(100p2 + 10p + 1) C. (10p - 1)(100p2 + 1) D. (1000p - 1)(p2 + 10p + 1)
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Solve the problem.Find the value of a for the line that passes through (a, 1) and (-2, a) and has a slope of 3.
A. - 
B. 
C. - 
D. - 
Mathematics