Find all real-number square roots of the given number.
A. - 
B. ± 
C. 
D. ± 
Answer: B
Mathematics
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Solve the problem.On a summer day, the surface water of a lake is at a temperature of 
Celsius. What is this temperature in Fahrenheit?
A. 56° B. 24° C. 75.2° D. 43.2°
Mathematics
Find the area.Find the area of a rectangle measuring 7.6 yd by 11.78 yd.
A. 89.528 yd2 B. 19.38 yd2 C. 57.76 yd2 D. 179.056 yd2
Mathematics
Determine whether the point is a solution to the given inequality.y > 
x; (0, 0)
A. (0, 0) is not a solution B. (0, 0) is a solution
Mathematics
Find all complex number solutions.x2 + 4 = 0
A. -2i B. 2i C. ±2i D. ±2
Mathematics