Write the sentence as an equation. Let the variable x represent the number.Three times a number is equal to 20 decreased by the number.
A. 3x = x - 20
B. 3 + x = 20 - x
C. 3x = 20 - x
D. 3x = 20 + x
Answer: C
Mathematics
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Provide an appropriate response.An adjustable rate mortgage means:
A. payments will be larger than on a fixed rate mortgage B. the interest rate cannot change C. the interest rate is fixed for the first five years D. the interest rate can change
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Write the first five terms of the arithmetic sequence.a1 = - 
, d = - 
A. - 
, - 
, 
, 
, 
B. - 
, - 1, 
, 2, 
C. - 
, - 4, - 
, - 7, - 
D. - 
, - 2, - 
, - 
, - 
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A. 7, -7 B. 9, -9 C. 8, -8 D. 14, -14
Mathematics