Determine if the given value is a solution to the given equation.-3,
x2 - 8x - 27 = 0
A. No
B. Yes
Answer: A
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Let matrix A represent the sales (in thousands of dollars) of a toy company in 1994 in three cities, let B represent the sales in the same cities in 1995, and let C represent the sales in the same cities in 1996. 
A = 
; B = 
; C = 
What is the change in sales between 1994 and 1996?
What will be an ideal response?
Determine whether the equation defines y as a function of x. x + 8y = 4
A. function B. not a function
Give a written response.Can you name a number whose absolute value is -21? Explain your answer.
What will be an ideal response?
Solve the problem.The radius, r, of a sphere can be found using the formula 
where S is the surface area. If the surface area is 5007 square inches, what is the radius? (Use ? ? 3.14 and round to the nearest tenth.)
A. 40.0 in. B. 35.4 in. C. 62.7 in. D. 20.0 in.