Write an expression or equation representing the following and simplify if possible.9 less than the square of z.
A. 9 - z2
B. (z - 9)2 = z2 - 18z + 81
C. z2 - 9
D. (z + 9)2 = z2 + 18z - 81
Answer: C
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In the diagram below, the sum of the numbers in any 2 small circles is the number in the large circle between them. Complete the diagram so that the same pattern holds.
A. 
B. 
C. 
Determine whether the equation defines y as a function of x. y = 5x2 - 2x + 6
A. function B. not a function
Solve the problem.The length of the diagonal of a rectangle is given by 
where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 63 inches long and 34 inches wide? Round your answer to the nearest tenth of an inch, if necessary.
A. 46.3 in. B. 71.6 in. C. 53 in. D. 9.8 in.
Write the list of numbers in order from smallest to largest.
, 
, 0.95
A. 
, 
, 0.95
B. 
, 
, 0.95
C. 0.95, 
, 
D. 
, 0.95, 