Solve the problem.To the nearest dollar, the average tuition at a public four-year college was 
in 1998 and 
in 1999. Find, to the nearest dollar per year, the rate at which tuition was increasing.
A. $465 per year
B. $448 per year
C. $469 per year
D. $459 per year
Answer: B
Mathematics
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Graph the function. Determine the symmetry, if any, of the function.y = -|x|
A. Symmetric about the origin
B. Symmetric about the y-axis
C. Symmetric about the x-axis
D. Symmetric about the y-axis
Mathematics
Factor.24x7y8 - 120x5y6 + 36x3y4
A. 12x3(2x4y8 - 10x2y6 + 3y4) B. 12(2x7y8 - 10x5y6 + 3x3y4) C. No common factor D. 12x3y4(2x4y4 - 10x2y2 + 3)
Mathematics
Solve the problem.Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, V, in volts, and the impedance of the circuit, Z, in ohms, by the formula 
Find the impedance, Z, when the voltage is 
and current is I = -9i amperes.
A. 
ohms
B. 
ohms
C. 
ohms
D. 
ohms
Mathematics
Multiply.
A. 60,000 B. 70,000 C. 61,000 D. 59,000
Mathematics