Find the area.A square measuring 100 km on a side.
A. 20,000 km2
B. 10,000 km2
C. 200 km2
D. 400 km2
Answer: B
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Determine whether the function is a solution of the wave equation.w(x, t) = sin (5x + 5ct)
A. No B. Yes
Which of the following is NOT a tenet of von Glasersfeld’s radical constructivism?
a. Learning occurs through engagement in cooperative learning activities. b. Knowledge is not passively received either through the senses or by way of communication. Knowledge is actively built up by the cognizing subject c. The function of cognition is adaptive, in the biological sense of the term, tending towards fit or viability d. Cognition serves the subject’s organization of the experiential world, not the discovery of an objective ontological reality
Evaluate.
A. 7!
B. 1
C. 
D. 7
Convert the number 
to the octal system.
?
__________eight
Fill in the blank(s) with the appropriate word(s).