Find the slope of the line passing through the two points.(-9, -2) and (-2, 8)
A. 
B. Undefined
C. 
D. 6
Answer: A
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Determine whether the following is always true or not always true. Given reasons for your answers.u × (v + w) = u × v + u × w
What will be an ideal response?
Convert the units.47 cm2 = 
mm2
A. 47 B. 4700 C. 470 D. 0.047
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following function is obtained: 
where x is the number of hours spent in the lab and y is grade on the test. Use this function to predict the grade of a student who spends 19 hours in the lab. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 69.6 B. 57.1 C. 53.3 D. 49.3
Find the product.2x4(8x7 + 3x5)
A. 16x2 + 6x B. 16x11 + 3x5 C. 16x11 - 6x9 D. 16x11 + 6x9