Write the expression for the general (or nth) term, an, of the arithmetic sequence.a1 = 4, d = 6
A. an = 6n - 1
B. an = 2n - 6
C. an = 6n - 2
D. an = 2n - 1
Answer: C
Mathematics
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Find an equation of variation in which y varies directly as x and the following is true.y = 150, when x = 100
A. y = 
x
B. y = 
C. y = 
x
D. y = 100x
Mathematics
Prove 
for all natural numbers n.
?
List the steps involved.
What will be an ideal response?
Mathematics
Round the number to the specified place value.20.76665 to the nearest ten-thousandth
A. 20.77 B. 20.767 C. 20.7667 D. 20.7665
Mathematics
Fill in the missing factor.7x2 - 40x - 63 = (7x + 9)( )
A. x + 7 B. x - 7 C. 7x - 7 D. 7x + 54
Mathematics