Simplify.9 - (-1)2
A. 19
B. 17
C. 8
D. 10
Answer: C
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Find the values that make the equation true.
= 
A. m = 9; n = -6; x = 6 B. m = -9; n = 6; x = -6 C. m = 5; n = -2; x = 6 D. m = -6; n = 9; x = 0
Due to the curvature of the earth, the maximum distance D that you can see from the top of a tall building of height h is estimated by the formula  figure 1.png)
where r = 3960 mi is the radius of the earth and D and h are also measured in miles. How far can you see from the observation deck of a tower, 955 ft above the ground? Round the answer to one decimal place.
What will be an ideal response?
Evaluate the function.f(x) = 2x2 - 2x - 7; Find f(-2).
A. 19 B. 5 C. -3 D. 1