Find the probability.A card is drawn from a 52-card deck. What is the probability of drawing a face card or a 3?
A. 16
B. 
C. 
D. 
Answer: B
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Choose the graph that matches the function. f(x) = 1
A. 
B. 
C. 
D. 
Solve the system of equations.x - y + z = 0x + y + z = 2x + y - z = 4
A. {(2, -1, 1)} B. ? C. {(-1, 2, 1)} D. {(2, 1, -1)}
One bacterium divides into two bacteria every 5 minutes. If two bacteria multiply enough to completely fill a petri dish in 2 hours, how long will it take one bacterium to fill the dish? ?
A. 2 hours B. 2 hours 10 minutes C. 2 hours 6 minutes D. 2 hours 15 minutes E. 2 hours 5 minutes
Solve the problem using your calculator.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Use linear regression to find a linear function that predicts a student's score as a function of the number of hours he or she studied.
A. y = -67.3 + 1.07x B. y = 67.3 + 1.07x C. y = 33.7 - 2.14x D. y = 33.7 +2.14x