In a right isosceles triangle, the lengths of the two nonhypotenuse sides are designated a. What is the area of the triangle in terms of a？
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The quotation in line 39 is most probably used to__
A．counter a position that the author of the passage believes is incorrect
B．state a solution to a problem described in the previous sentence
C．show how opponents of the viewpoint of the author of the passage have supported their arguments
D．point out a paradox contained in a controversial viewpoint
E．present a historical maxim to challenge the principle introduced in the third paragraph -
The author’s claim that, since the mid-1970’s, a new strategy has emerged in the unionization of public-sector clerical workers （line 23 ) would be strengthened if the author__
A．described more fully the attitudes of clerical workers toward labor unions
B．compared the organizing strategies employed by private-sector unions with those of public-sector unions
C．explained why politicians and administrators sometimes oppose unionization of clerical workers
D．indicated that the number of unionized public-sector clerical workers was increasing even before the mid-1970’s
E．showed that the factors that favored unionization drives among these workers prior to 1975 have decreased in importance -
The passage suggests which of the following about coral reef communities？
A．Coral reef communities may actually be more likely to thrive in waters that are relatively low in nutrients.
B．The nutrients on which coral reef communities thrive are only found in shallow waters.
C．Human population growth has led to changing ocean temperatures, which threatens coral reef communities.
D．The growth of coral reef communities tends to destabilize underwater herbivore populations.
E．Coral reef communities are more complex and diverse than most ecosystems located on dry land. -
IMMACULATE:
A．sincere
B．unnoticed
C．accidental
D．spotted
E．distracted -
If x=-2, what is the value of 4x3？
A．-32
B．-24
C．-8
D．8
E．32