Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.
A. 23,784.75 m2
B. 255.75 m2
C. 17,298 m2
D. 15,135.75 m2
Answer: A
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Simplify the rational expression.
A. 
B. 
C. -2(x + 3)
D. - 
Factor the difference of two squares completely.98x2 - 32
A. 2(7x + 4)2 B. 2(7x + 4)(7x - 4) C. 2(7x - 4)2 D. Prime
Solve the problem.Estimate the answer by rounding the first number to the nearest ten thousand and the second number to the nearest hundred.53,130 ÷ 469
A. 90 B. 1000 C. 100 D. 900
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