Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $260,000, find each worker's salary.
A. president's salary = $65,000; department head's salary = $195,000
B. president's salary = $130,000; department head's salary = $65,000
C. president's salary = $19,500; department head's salary = $6500
D. president's salary = $195,000; department head's salary = $65,000
Answer: D
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The following table shows the gross national product G, in trillions of dollars, t years after 2005. Explain in practical terms the meaning of the slope of the regression line. t 0 1 3 5 G 12.71 13.53 14.21 14.69? ?
A. The gross national product is increasing by 0.38 trillion dollars per year. B. The gross national product is increasing by 12.94 trillion dollars per year. C. The gross national product is increasing by 0.82 trillion dollars per year. D. The gross national product is increasing by 1.72 trillion dollars per year.
Solve the problem.Assume that the profit generated by a product is given by 
where x is the number of units sold. If the profit keeps changing at a rate of 
per month, then how fast are the sales changing when the number of units sold is 600? (Round your answer to the nearest dollar per month.)
A. $29/month B. $68,586/month C. $17,146/month D. $8573/month
Solve the problem.How much work does it take to slide a box 35 meters along the ground by pulling it with a 292 N force at an angle of 45° from the horizontal?
A. 5110
joules
B. 10,220
joules
C. 
joules
D. 10,220 joules
Fill in the blank with the appropriate measurement relationship.16 oz = 
lb
Fill in the blank(s) with the appropriate word(s).