Solve the problem.If three cards are drawn without replacement from an ordinary deck, find the probability that the third card is a heart, given that the first two cards were hearts.
A.
B.
C.
D.
Answer: B
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Use the given slope and coordinate of the y-intercept to write the equation of the line in slope-intercept form.m = ; (0, -6)
A. y = - x - 6
B. y = - x + 6
C. y = x - 6
D. y = x + 6
Find the domain and the range of the functions or relations from the graph.
A. domain: [2]; range: (-?, ?) B. domain: [2]; range: [2] C. domain: (-?, ?); range: [2] D. domain: (-?, ?); range: (-?, ?)
Solve the system by graphing.6x + y = -24 x + 4y = -27
A. {(3, -6)} B. {(-3, -4)} C. {(-3, -6)} D. {(-5, 6)}
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; { y = 3x + 3} or {
y = 5x + 2}
B.
C.
D. no solution; ?