Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions. Foci at (
, 0), (-
, 0); asymptotes y = 4x, y = -4x
A. 
- y2 = 1
B. y2 - 
= 1
C. 
- x2 = 1
D. x2 - 
= 1
Mathematics
Determine whether the matrices in each pair are inverses of each other.
, 
A. No B. Yes
Mathematics
Match the situation to the graph that models it best.The remaining hours y that a battery will work after it has been used for x hours
A. 
B. 
C. 
D. 
Mathematics
Find all solutions to the triangle described below.
?
km, 
km
?
Apply the rules regarding the use of significant digits to each angle and length after all computations are complete.
?
A. ?
km or 
km
B. 
? km or 
km
C. 
? km
D. 
? km
E. no solution
Mathematics