Solve the problem.The product of 8 and the square root of some number is equal to that number decreased by 128. Find the number.
A. 128
B. 256
C. 192
D. 512
Answer: B
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Two lines intersect with angle ? as shown in the figure.
Find ? to the nearest degree for the two intersecting lines given by and
A. 173° B. 45° C. 30° D. 135°
Solve the problem.The population P, in thousands, of Prairie Grove is given by P = 
, where t is the time, in months. Determine the interval on which the population was greater than or equal to 40 thousand.
A. (-?, ?) B. [0.83, 5.42] C. [0.664, 4.336] D. [4.336, ?)
Classify the point as "above," "below," or "on" the line y = -2x + 7.(2, 3)
A. above B. below C. on
Solve the problem.When a particular circuit containing a resistor, an inductor, and a capacitor in series is connected to a battery, the current i (in amperes) is given by i = 27e-3t(e2.6t - e-2.6t) where t is the time (in seconds). Find the time at which the maximum current occurs. Round to the nearest tenth of a second.
A. 0.5 sec B. 1.5 sec C. 0.6 sec D. 1.4 sec