Describe the given set of points with a single equation or with a pair of equations.The set of points equidistant from the points (-10, 0, 0) and (-6, 0, 0)
A. y + z = -8
B. y + z = 0 and -10 < x < -6
C. x = -8
D. x > -10 and x < -6
Answer: C
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The concentration C, in milligrams per deciliter, of a drug in the bloodstream t hours after an injection is given by
.
?
A: Make a graph of C versus t over the first 10 hours since the injection.B: The drug is effective as long as the concentration is 50 milligrams per deciliter or higher. Add to your graph the horizontal line 
.C: During what time period is the drug effective? Round your answer to two decimal places.
What will be an ideal response?
Use the given conditions to find an equation in slope-intercept form of each of the nonvertical lines. Write vertical lines in the form x = h.m = - 
; y-intercept = 5
A. y = - 
x + 5
B. y = 
x - 5
C. y = 
x + 5
D. y = - 
x - 5
Solve the problem.Five cards are drawn at random from an ordinary deck of 52 cards. In how many ways is it possible to draw all black cards?
A. 131,560 ways B. 263,120 ways C. 32,890 ways D. 65,780 ways
Graph the numbers on a number line.- 1
, 1, 3, 5
A. 
B. 
C. 
D. 