Find the unknown value.What percent of 50 is 15?
A. 15%
B. 88%
C. 44%
D. 30%
Answer: D
Mathematics
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Suppose 
is an exponential function with growth factor 
. Find the equation of change for f.
?
A. 
B. 
C. 
D. 
Mathematics
Find the inverse of the relation.{(11, 9), (-9, 18), (1, 19)}
A. {(11, 9), (-9, 18), (1, 19)} B. {(11, 18), (11, -9), (19, 1)} C. {(9, 11), (18, -9), (19, 1)} D. {(9, 11), (1, -9), (19, 18)}
Mathematics
Solve the problem.One maid can clean the house in 7 hours. Another maid can do the job in 5 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
Find the pivot column of the tableau 
is column.
A. 1 B. 2 C. 3 D. 4
Mathematics