Use the quadratic formula to solve the equation. (All solutions are real numbers.)4n2 = -12n - 3

A.
B.
C.
D.


Answer: B

Mathematics

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Take west to be the positive direction. You are driving in a westerly direction up a straight road. You pass a sign that says Elevation 1883 feet. Also, 5 horizontal miles further you see a sign that says Elevation 3350 feet. What is the slope of the road you are driving on? ?

A. 293.40 feet per mile B. 670.00 feet per mile C. 293.94 feet per mile D. 670.86 feet per mile

Mathematics

Find the median for the given sample data.The weights (in ounces) of 21 cookies are shown. Find the median weight.

A. 0.93 ounces B. 1.00 ounces C. 0.89 ounces D. 0.91 ounces

Mathematics

A tangent to a circle and a radius of that circle to the point of tangency are ___________________.

What will be an ideal response?

Mathematics

Solve the problem.Adam and David were both driving east on the same highway. At 3:00 P.M., Adam, traveling at 55 miles per hour, was 20 miles east of David. A little later, David, traveling at 65 miles per hour, passed Adam. At what time did David pass Adam?

A. 5:30 P.M. B. 9:00 P.M. C. 7:00 P.M. D. 5:00 P.M.

Mathematics