Solve. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.Write the equivalent decimal and percent for 
.
A. 0.834; 83.4%
B. 0.714; 71.4%
C. 0.714; 7.14%
D. 0.834; 834%
Answer: B
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Solve the problem.For a dial-up service between two cities, a telephone company charges 105 cents for the first minute and 
for each additional minute (or fraction thereof). Write an equation such that y, the total cost of the call in cents, is expressed in terms of x, the length of the call in minutes for 1 ? x ? 8.
Fill in the blank(s) with the appropriate word(s).
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (8, 3, 4, 0) B. (8, 3, 4, 1) C. (8, 3, 4, w) D. Inconsistent
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. y
C. y8
D. y4