Find the mean for the given sample data.Jeremy's car got 297 miles (highway) on 11 gallons of gasoline. What was the average number of miles per gallon?
A. 27 mpg
B. 29 mpg
C. 28 mpg
D. 26 mpg
Answer: A
Mathematics
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For the given f(x) and g(x), evaluate the expression.f(x) = 
, g(x) = 
;
(fg)(x)
A. 9|x|
B. 9
C. 3|x|
D. 3
Mathematics
Use the row reduction algorithm to transform the matrix into echelon form or reduced echelon form as indicated.Find the reduced echelon form of the given matrix. 
A. 
B. 
C. 
D. 
Mathematics
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(4x - 1)(x + 4)
A. x2 - 4x + 15 B. x2 + 15x + 14 C. 4x2 + 14x - 4 D. 4x2 + 15x - 4
Mathematics
Simplify. Express the final answer in exponential form.(-7x3y)(-9x2y5)
A. -63x5y6 B. -63x5y5 C. 63x5y6 D. 63x6y5
Mathematics