Solve the system of equations by substitution.
x - y = - 
x + 8y = -4
A. (0, 4)
B. (4, 0)
C. (0, -4)
D. (-4, 0)
Answer: D
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Provide an appropriate response.Would a drop of 30 Celsius degrees be more or less than a drop of 30 Fahrenheit degrees? Explain why.
What will be an ideal response?
Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) = (-8x + 9)9
A. f(x) = -8x + 9, g(x) = x9 B. f(x) = (-8x)9, g(x) = 9 C. f(x) = x9, g(x) = -8x + 9 D. f(x) = -8x9, g(x) = x + 9
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Solve the problem.The following table shows the market prices per pound that a trucker can get for his load of fruit in three cities: San Francisco (S.F.), Las Vegas (L.V.), and Los Angeles (L.A).
The trucker has a load of 6000 pounds of peaches and 3000 pounds of apples. Write the information from the table as a 2 x 3 matrix B. Write a row matrix A for which the entries represent the number of pounds of each type of fruit in the truck. If 
, find c11. What does this entry of C represent?
A. c11 = 3250. c11 represents the total value of the load in Las Vegas. B. c11 = 4200. c11 represents the total value of the load in San Francisco. C. c11 = 3600. c11 represents the total value of the load in Las Vegas. D. c11 = 6000. c11 represents the total value of the load in San Francisco.