Solve.log9 (x - 4) + log9 (x - 4) = 1

A. -
B. -7, 7
C. 7
D.


Answer: C

Mathematics

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Solve.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 37 questions correct. What was the percent of increase?

A. 32.4% B. 48% C. 12% D. 52%

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Construct a bar graph to represent the given data.The following table shows the number of female infants born at Hospital X on New Year's Day (Jan. 1).

What will be an ideal response?

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Write the English sentence as an equation in two variables. Then graph the equation.The y-value is five decreased by the square of the x-value.

A. y = x2 - 5

B. y = 5 - x2

C. y = x - 5

D. y = 5 - x

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Solve the linear system by using an inverse matrix.

A. {(-1, 2, 1)} B. {(2, 1, 6)} C. {(2, -1, 4)} D. ?

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