Graph the set on the number line.{x ? x ? - 4} ? {x |x ? 4}
What will be an ideal response?
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Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 5
B. 
C. 5
D. 
Solve the problem.Conservationists tagged 150 black-nosed rabbits in a national forest in 1990. In 1991, they tagged 300 black-nosed rabbits in the same range. If the rabbit population follows the exponential law, how many rabbits will be in the range 9 years from 1990?
A. 153,600 B. 324 C. 76,800 D. 162
The graph of the equation is a parabola. Determine whether the parabola opens upward, downward, to the left, or to the right. Do not graph.y = -6x2 - 3x + 2
A. to the left B. to the right C. downward D. upward