Write interval notation.{ x 
}
A. (7, ?)
B. [7, 29)
C. (7, 29]
D. (-?, 29]
Answer: C
Mathematics
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Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Aviva has a total of 52 coins, all of which are either dimes or nickels. The total value of the coins is $4.25. Find the number of each type of coin.
A. 24 nickels; 28 dimes B. 33 nickels; 19 dimes C. 21 nickels; 31 dimes D. 19 nickels; 33 dimes
Mathematics
Find the limit.
A. 
B. 15
C. 
D. No limit
Mathematics
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 6
A. 
B. 
C. 
D. 
Mathematics