Solve the problem. Give the answer to the nearest thousandth if necessary.A rectangle has a length of 
and a width of 
. What is the best estimate for its dimensions?
A. 20 by 9
B. 19 by 9
C. 19 by 8
D. 20 by 8
Answer: B
Mathematics
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Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the [H3O+] if the pH = 2.3.
A. 2.7 × 101 B. 5.0 × 10-3 C. 2.0 × 102 D. 3.6 × 10-1
Mathematics
Find the least common denominator for the expression.
- 
A. (13x - 18)(13x + 18) B. 10x(2x + 11)(13x - 18)(13x + 18) C. 10x(2x + 11) D. (13x - 18) or (13x + 18)
Mathematics
Find the graph of the equation. ? f (x) = | x - 2 | ?
A. 
?
B.
?
C. ??
D.
?
Mathematics
Find the slope and the y-intercept of the given line.5x + 7y = 48
A. -1
; 
B. 
; 
C. - 
; 
D. 1
; 
Mathematics