Find the unit rate.10 cents for 2 marbles
A. 20 cents/marble
B. 0.2 cents/marble
C. 5 cents/marble
D. 12 marbles
Answer: C
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Solve the problem that involves probabilities with dependent events. You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that both cards are black.
A. 
B. 
C. 
D. 
Provide an appropriate response.A student has noticed that every squared natural number is either a multiple of 4 or one larger than a multiple of 4, but isn't sure if this is always true. Use algebraic reasoning to explain to the student why this is always true.
What will be an ideal response?
Solve the problem.Find the area between y = (x - 4)ex and the x-axis from x = 4 to x = 9.
A. 4e9 B. e9 - e4 C. 4e9 + e4 D. e9 + e4
Find the probability.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a heart.
A. 
B. 
C. 
D. 