Graph the line containing the point P and having slope m.P = (-5, -10); m = -1 
A. 
B. 
C. 
D. 
Answer: C
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Factor, if possible.6x2 - 5xt - 4t2
A. (6x + t)(x - 4t) B. Prime polynomial C. (2x - t)(3x + 4t) D. (2x + t)(3x - 4t)
Solve the problem.A small company that makes hand-sewn leather shoes has fixed costs of $320 a day, and total costs of $1200 per day at an output of 20 pairs of shoes per day. Assume that total cost C is linearly related to output x. Find an equation of the line relating output to cost. Write the final answer in the form 
A. C = 44x + 320 B. C = 60x + 320 C. C = 44x + 1520 D. C = 60x + 1520
Solve the problem using your calculator.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use linear regression to find a linear function that predicts the number of products sold as a function of the cost of advertising.
A. y = -26.4 - 1.42x B. y = 55.8 - 2.79x C. y = 26.4 + 1.42x D. y = 55.8 + 2.79x
Solve the problem.The sum of two numbers is 31 and their difference is 11. Find the numbers.
A. 8 and 23 B. 21 and 10 C. 23 and 34 D. 10 and 21