Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. Assume that x represents a positive real number.
? 
= x
What will be an ideal response?
The statement is true. 
= 
. By the definition of principal square root, 
= |x|, and 
= x when x is a positive real number. (Explanations will vary.)
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Determine how many terms should be used to estimate the sum of the entire series with an error of less than 0.001.
A. n ? 10 B. n ? 12 C. n ? 11 D. n ? 31
Provide an appropriate response. You have a board that is 42 inches wide and would like to position 6 smaller boards each 5 inches wide across the big board so that there is no "margin" on either side, but they are equally spaced across the board. How much space should be allowed between each of the small boards?
A. 3 inches
B. 
inches
C. 2 inches
D. 7 inches
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B. 
C. 0
D. -4
Provide an appropriate response.A 150-foot line is attached to a kite 2 feet from the base (bottom point) of the kite. When the line is completely out (150 feet) and taut, the angle of elevation to the kite is 55°. How high is the base of the kite from the ground? 
A. 212 ft B. 121 ft C. 123 ft D. 84 ft