The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)How many packages weighed between 10 and 19 pounds?
A. 11 packages
B. 7 packages
C. 6 packages
D. 5 packages
Answer: D
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Indicate whether the value of x shown is a solution to the given equation.2x = 14, x = 7
A. Yes B. No
Find the equation of the line described, and express your answer in the specified form.Parallel to the line x = 4; passes through the point (5, 6); standard form
A. y = 4 B. y = 6 C. x = 5 D. x = 6
Factor.25n2 + 68n + 49
A. (5n + 7)(5n - 7) B. (5n - 7)2 C. (5n + 7)2 D. Not possible
Solve the problem.Allied Radio is a company which makes clock radios. The following table gives the profit, y, in dollars that this company made during the three stated years, x.
This set of data can be modeled by f(x) = ax2 + bx + c, where x represents the year. Find a linear system for which the solution represents the values of a, b, and c. Use technology to solve this system. Then, using the quadratic equation, predict the profit that Allied Radio made in the year 1992. Round your answer to the nearest hundred dollars.
A. $393,400 B. $393,100 C. $393,600 D. $293,800