Graph the equation.y2 - 9x2 = 9
A. 
B. 
C. 
D. 
Answer: C
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Simplify the complex fraction.
A. 7 - a2
B. 7
C. 
D. 
Solve the problem.Two sound waves, producing the pressures src="https://sciemce.com/media/4/ppg__jhjhj0506192304__f1q105g6.jpg" alt="" style="vertical-align: -4.0px;" />Round k to the nearest ten-thousandth, if necessary.
A. a = 10; k = 929.9437
B. a = 3.2; k = 929.9437
C. a = 10; k = 0.6435
D. a = 3.2; k = 0.9273
and 
combine on a person's ear drum to produce the pressure 
Graph P in 
by 
and use the graph to estimate values for a and k so that
For the given function expressed verbally, give a graphical representation. Surveyors use the "link" as a unit of measure. To convert x inches to y links, divide x by 7.92. Let y = f(x) and 0?x?100.
A. 
B. 
C. 
D. 
Solve the equation.1.3x - 3.2 = 0.6x - 2.01
A. -0.588 B. 1.683 C. 1.7 D. 1.69