Subtract.-12 - (-1)
A. -11
B. -13
C. 11
D. 13
Answer: A
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?Which of the following is true about similar polygons?
A. ?If a and a', b and b', c and c', etc. are corresponding sides, then ak = a', bk = b', ck = c', etc. B. ?If the polygons are similar, then the perimeter of one polygon is kP, where k is the constant of proportionality and P is the perimeter of one polygon. C. ?If the polygons are similar, then the perimeter of one polygon is knP, where k is the constant of proportionality, P is the perimeter of one polygon, and n is the number of sides of the polygon. D. ?a and b are true. E. ?a and c are true.
Solve the problem.Find the sum of the series 
.[Hint: Write the series as 1 + 
= 1 + 
+ 
.]
A. 4e - 5 B. e + 3 C. 3(e - 1) D. 2e
Draw the next figure in the pattern.
A. 
B. 
C. 
D. 
Solve using the percentage formula.What number is 145% of 4,760?
A. 69,020 B. 690 C. 6,902 D. 690,200