Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.a + 1 + 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the expression.
A. 
B. 20
C. 2!
D. 
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Write the fraction or mixed number as a percent. If necessary, round the percentage to the nearest tenth.
A. 37% B. 500% C. 7.4% D. 74%
Mathematics
Find an equation of the line.
A. y = 5x
B. y = -5x - 6
C. y = 
x - 6
D. y = 5x - 6
Mathematics
Multiply using the distributive property.-4(9p - 2q)
A. -36p + 8q B. 36p - 8q C. -36p + 2q D. 36p - 2q
Mathematics