Find the distance between the points, and find the midpoint of the line segment joining them.(9x, 8) and (10x, 2)
A. x + 6; (x, 6)
B. 
; 
C. x + 6; (19x, 10)
D. 
; 
Answer: D
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Solve the problem.The half-life of carbon-14 is 5730 years. This means that every 5730 years, the amount of carbon-14 is reduced by 50 percent. Assume that there are currently 3 milligrams of carbon-14 in a piece of petrified wood. Let f(t) represent the amount (in milligrams) of carbon-14 in the wood at t years from now.i) Find a formula for f.ii) How much carbon-14 will be in the piece of wood 1000 years from now?
What will be an ideal response?
Solve quadratic equation by factoring.3x2 - 17x - 6 = 0
A. -3, 6
B. - 
, 6
C. 
, - 
D. - 
, 3
Find the perimeter or area of the figure as indicated.Find the perimeter of the regular pentagon.
A. (24x + 54) in. B. (20x + 45) in. C. (20x + 9) in. D. (16x + 36) in.
Find the exact value of the composition.cos 
A. 
B. 
C. 
D. 