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 $190,000, find each worker's salary.
A. president's salary = $14,250; department head's salary = $4750
B. president's salary = $142,500; department head's salary = $47,500
C. president's salary = $95,000; department head's salary = $47,500
D. president's salary = $47,500; department head's salary = $142,500
Answer: B
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 8
B. 
; 8
C. 
; 4
D. 
; 4
Solve the problem.The amount A (in g) remaining of a radioactive substance after time t (in years) is found by solving the equation 
If there are 350 grams of the substance initially, solve for A as a function of t.
A. A = 350e0.029t B. A = e-0.029t + 350 C. A = 350 ln 0.029t D. A = 350e-0.029t
Write the number in scientific notation.9,002,000,000
A. 9.02 × 109 B. 9.002 × 1010 C. 9.002 × 108 D. 9.002 × 109
In the circuit below, VR = 14 V and VC = -8 V. Find E and é.
a. é = -29.45ø, E = 10.08 V
b. é = -29.74ø, E = 16.12 V
c. é = -60.55ø, E = 16.27 V
d. é = -34.85ø, E = 14.00 V
e. é = -55.15ø, E = 9.75 V