Perform the necessary operations.3 + 18 - 19
A. 4
B. -34
C. 2
D. -2
Answer: C
Mathematics
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Provide an appropriate response.Divide and reduce answers to lowest terms, converting improper fractions to whole or mixed numbers: 
÷ 
A. 
B. 
C. 
D. 
Mathematics
If a problem asks “how many cubes are in the nth figure,” an approach to solving the problem might be:
(a) Guess and Test. (b) Draw a Picture. (c) Make a Table. (d) Look for a Pattern. (e) Use a Variable.
Mathematics
Perform the operations indicated.(-7)(-3)(-1)(10)
A. 210 B. -210 C. 31 D. 6
Mathematics
Find the nth term an of the geometric sequence.2, 
, 
, 
, 
, . . .
A. an = (2)
n
B. an = (2)
n-1
C. an = (2)
n+1
D. an = (2)
n-1
Mathematics