Solve the inequality.In order for a chemical reaction to remain stable, its Celsius temperature must be no more than . Find the Fahrenheit temperatures at which the reaction will remain stable. 

A. F ? 25.66°
B. F ? 25.66°
C. F ? 172.74°
D. F ? 172.74°


Answer: D

Mathematics

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Compute the average rate of change of f from x1 to x2. Round your answer to two decimal places whenappropriate. Interpret your result graphically.f(x) = 6x + 4, x1= -4 and x2= -1

A. 6; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 6. B. 8; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 8. C. 5; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 5. D. 7; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 7.

Mathematics

Evaluate the series, if it converges.

A.
B.
C. - 
D. Does not converge.

Mathematics

Solve. Write the fraction in simplest form.The circle graph shows the fraction of books read by grades one through five. What fraction of books was NOT read by the first and fifth grades?

A.
B.
C.
D.

Mathematics

Simplify the rational expression. (Assume the denominator is nonzero.)

A. x - 5
B.
C.
D.

Mathematics