Find the area of the shaded region.
A. 18
B. 27
C. 36
D. 45
Answer: C
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As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The sample consists of
A. the 800 marbles in the container. B. the 40 marbles drawn by the student. C. the 16 red marbles drawn by the student. D. the 300 red marbles in the container. E. none of these
Simplify the expression.-5b + 9b
A. 4b B. -4b C. -14b D. 4b2
Solve the problem.Find the effective rate if the nominal rate is 3.5% and interest is compounded quarterly. (If r is the nominal rate and n is the number of times interest is compounded annually, then R = 
n - 1 is the effective rate.) Round to the nearest hundredth of a percent.
A. R = 3.55% B. R = 4.05% C. R = 3.30% D. R = 3.80%
Find the exact values of the remaining trigonometric functions of ? from the given information.cos ? = 
, sin ? < 0
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
D. sin ? = 
cos ? = 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 