Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 + 12x = - 3

A.
B.
C.
D.


Answer: C

Mathematics

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A study asked 54 adults if they had taken art, biology, or cooking in school. According to the Venn diagram below, how many had takenn(A ? C)

A. 18 B. 37 C. 10 D. 2

Mathematics

Provide an appropriate response.Simplify the following:  -3

What will be an ideal response?

Mathematics

Solve the problem.The value V, in dollars, of a shopkeeper's inventory software program is given by  where t is the number of years since the shopkeeper first bought the program. Find the value of the software after   and 

A. $450, $470, and $350 B. $440, $430, and $350 C. $450, $430, and $110 D. $450, $430, and $350

Mathematics

Solve the problem. Simplify the fraction, if possible.According to a recent study, 10 out of 11 visits to a hospital emergency room were for an injury. What fraction of emergency room visits were injury-related?

A.
B.
C.
D. 10

Mathematics