Decide whether the equation is "conditional," an "identity," or a "contradiction." Give its solution set.20m + 10 = 5(2m + 8)

A. Identity; {3}
B. Contradiction; {-5}
C. Conditional; {3}
D. Conditional; {-5}


Answer: C

Mathematics

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Provide an appropriate response.Given f(x) = Ll, f(x) = Lr, and Ll ? Lr, which of the following statements is true? I.  f(x) = Ll II.  f(x) = Lr III. f(x) does not exist.

A. I B. III C. II D. none

Mathematics

The following table shows total sales S, in dollars, t months after the first of the year. Use linear regression to model sales as a function of months since the first of the year.  t 2 3 6 7 S 7539.36 11018.49 22235.76 25796.81

What will be an ideal response?

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Subtract the fractions. Write the answer in lowest terms. - 

A.
B.
C.
D.

Mathematics

Add or subtract. Express the answer as a mixed number.6 + 4

A. 2
B. 11
C. 10
D. 11

Mathematics