Solve the problem using your calculator.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. Use a graphing calculator to model the data with a linear function that predicts a student's course grade as a function of the number of hours spent in 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. y = 0.930 + 44.3x
B. y = 88.6 - 1.86x
C. y = 1.86 + 88.6x
D. y = 44.3 + 0.930x
Answer: B
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Solve the inequality. Write the solution set in interval notation and graph it.8t + 6 ? 7t + 2
A. [-4, ?)
B. (-?, -4]
C. (8, ?)
D. (-?, 8)
Provide an appropriate response.Solve the system of equations using the addition method:x - 2y = 84x + 2y = 12
A. x = -2, y = 4 B. x = 5, y = -1.5 C. x = 0, y = 4 D. x = 4, y = -2
Use the percentage method of withholding, a FICA rate of 6.2%, a Medicare rate of 1.45%, an SDI rate of 1%, and a state withholding tax of 3.4%. One withholding allowance is $73.08 when paid weekly.
Jessica Walker, physicist, earns $720 per week. She is married and claims 1 withholding allowance. Her deductions are FICA, Medicare, federal withholding, state disability insurance, state withholding, retirement contribution of $21.60, and a savings bond of $85. Find her net pay.
A. $526.64 B. $554.70 C. $469.70 D. $454.64
The intersection of the lines x = a and y = b is the point (b, a).
Answer the following statement true (T) or false (F)