Solve the system of equations by graphing.2x - y = 3 y = 1 
A. (1, 2)
B. (2, 1)
C. (-2, -1)
D. no solution
Answer: B
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Change the given angle to an equal angle expressed to the nearest second.24.774°
A. 24° 46' 29" B. 24° 45' 23" C. 24° 46' 25" D. 24° 45' 28"
Solve the problem.A rectangular steel plate expands as it is heated. Find the rate of change of area with respect to temperature T when the width is 
and the length is 
if 
and 
A. 3.6 x 10-5 cm2/°C B. 1.9 x 10-5 cm2/°C C. 4 x 10-5 cm2/°C D. 0.8 x 10-5 cm2/°C
Find the location of the indicated absolute extremum for the function.Maximum
A. x = -1 B. x = 0 C. No maximum D. x = 2
Solve the problem.In a certain location, the highest temperature recorded was 101°F. The lowest temperature recorded was 137 degrees less than the highest. What was the lowest temperature?
A. -138°F B. 0°F C. 36°F D. -36°F