Combine like terms.17.5x + 11y - 9.9x - 26y
A. -7.4xy
B. 7.6x - 15y
C. 8.6x - 15y
D. 7.6x + 15y
Answer: B
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Determine whether or not the given pair of values is a solution of the given system.x = -0.4, y = 0.6
A. Yes B. No
Provide an appropriate response.Let A and B be finite sets. Explain why 
What will be an ideal response?
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Solve the problem.The table shows the population of a certain city in various years. The population of the city f(x), in hundreds of thousands, can be modeled by f(x) = axb, where x represents the number of years since 1995. Estimate the population of the city in the year 2021. (You will first need to use regression to estimate the values of a and b).
A. 1,318,550 B. 1,365,641 C. 1,177,277 D. 1,240,963