Solve the problem.Inclusive of a 6.8% sales tax, a diamond ring sold for $2029.20. Find the price of the ring before the tax was added. (Round to the nearest cent, if necessary.)
A. $1891.21
B. $137.99
C. $2167.19
D. $1900
Answer: D
Mathematics
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Write the set in set-builder notation.{a, b, c, . . . , x, y, z}
A. {x|x is a vowel} B. {x|x is a letter of the alphabet} C. {x|x is a consonant} D. {x|x is a number}
Mathematics
Provide an appropriate response.Solve, checking for extraneous roots: 
= 
A. x = 0 B. x = -6 C. x = 2 D. x = 8
Mathematics
Simplify.1 + 
- 
2 + 
3
A. 
B. 1
C. 1
D. 1
Mathematics
An equation that defines y as a function of x is given. Solve for y in terms of x, and replace y with the function notation f(x).9x2 + 7y = 6
A. f(x) = -9x2 + 
B. f(x) = 6 - 9x2
C. f(x) = 
D. f(x) = 
Mathematics