Add or subtract horizontally.Subtract -5a5 - 5a4 - 4a3 - 2a2 + 5a - 2 from -9a5 + 7a4 + 3a2 + 11.
A. 4a5 - 12a4 - 4a3 - 5a2 + 5a - 13
B. -4a5 + 12a4 + 4a3 + 5a2 - 5a + 13
C. -4a5 + 12a4 - 4a3 - 5a2 + 5a + 13
D. -4a5 + 12a4 - 4a3 + 5a2 + 5a + 13
Answer: B
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Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 33 ft wide and the canal is 
deep at the center, how deep is it 1 ft from the edge?
A. 0.6 ft B. 0.3 ft C. 4.7 ft D. 4.4 ft
Provide an appropriate response.Simplify the following; express your answer with no radical in the denominator: 
What will be an ideal response?
Solve the problem.The value of certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons.The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 ( 10 is excellent condition ) . src="https://sciemce.com/media/4/ppg__dsd0520191959__f1q140g3.jpg" style="vertical-align: -23.0px;" /> is 
The variables are found to be related by the equation 
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c. Then, using the fact that the inverse of the matrix 
, find b.
A. b = -1600
B. b = - 1400
C. b = 2200
D. b = 2600
Compare the graph of f(x) with the graph of y = x2.f(x) = - 
x2
A. Reflected across the y-axis and wider B. Reflected across the x-axis and narrower C. Reflected across the x-axis and wider D. Reflected across the y-axis and narrower