Represent the quantity by a signed number.The price of a gallon of gas dropped 15¢ in one day.
A. +15
B. -15
Answer: B
Mathematics
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Write the set in set-builder notation.{2}
A. {x is a constant} B. {x | x is the natural number 2} C. {x | x is a natural number} D. {x}
Mathematics
Solve the equation for all values 0 ? x ? 2?.tan 2x - tan x = 0
A. x = 
, 
B. x = 0, ?, 2?
C. x = 0
D. x = 
, 
, 
, 
, 
, 
, 
Mathematics
Provide an appropriate response.A proper fraction has the form 
. What is the largest possible number that x can be?
A. 21 B. 20 C. 22 D. 10.5
Mathematics
Solve the problem.A small farm field is a square measuring 200 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 200 ft, 800 ft B. 800 ft, 1600 ft C. 400 ft, 800 ft D. 400 ft, 1600 ft
Mathematics