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 $290,000, find each worker's salary.
A. president's salary = $145,000; department head's salary = $72,500
B. president's salary = $21,750; department head's salary = $7250
C. president's salary = $217,500; department head's salary = $72,500
D. president's salary = $72,500; department head's salary = $217,500
Answer: C
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Evaluate the given binomial coefficient.
A. 
B. 6
C. 1
D. 6!
Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.y = log10(x + 8)y = x2
A. {(-1.38, 1.89), (1.50, 2.25)} B. {(-0.92, 0.85), (0.98, 0.95)} C. {(-0.92, -0.85), (0.98, -0.95)} D. {(-1.38, -1.89), (1.50, -2.25)}
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
y
Solve the problem.Jay drove 240 kilometers at the average rate of 60 kilometers per hour. How long did the trip take?
A. 5 hours B. 4 hours C. 2 hours D. 3 hours