Solve the problem.A 5-card hand is dealt from a deck of 52 cards. What is the probability thata) all are from the same suit?b) all are hearts?c) exactly 2 are spades?
A. a) 0.00198 b) 0.000495 c) 0.003516
B. a) 0.000495 b) 0.00198 c) 0.003516
C. a) 0.00198 b) 0.000495 c) 0.27428
D. a) 0.000495 b) 0.00198 c) 0.00003
Answer: C
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Find the intersection.x + y + z = 8, x + y = 14
A. x = t, y = 14 - t, z = -6 B. x = -1, y = 1 + 14t, z = -6t C. x = -t, y = 14 + t, z = 6 D. x = -t, y = 14 + t, z = -6
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.29 + (11 ? 8) - 14
A. 306 B. 34 C. 103 D. -240
Solve the problem.Find the impedance Z when the voltage is V = -8 + 4j and current is I = -7j. (Z = 
)
A. 
+ 
j
B. - 
+ 
j
C. 
+ 
j
D. - 
- 
j
Determine whether a linear model, a quadratic model, or neither type of model would be reasonable for modeling the data depicted by the scattergram.
A. Linear B. Quadratic C. Neither