Solve the quadratic equation by the method of your choice.6x2 + 12x = - 1

A.
B.
C.
D.


Answer: C

Mathematics

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Use the change-of-base formula to find the logarithm. Round your answer to four decimal places.  log3 83.47

A. 4.0273 B. 27.8233 C. 1.9215 D. 0.2483

Mathematics

Use an integer or rational number to express the number representing change.On a sunny day, the water temperature in the swimming pool rises 8 degrees.

A. -8 B. 8

Mathematics

Divide.0.16 ÷ 0.008

A. 20 B. 0.02 C. 2 D. 0.2

Mathematics

Find the sum of the first 19 positive integers.

Fill in the blank(s) with the appropriate word(s).

Mathematics