Find the perimeter the trapezoid.
A. 392 m
B. 34 m
C. 90 m
D. 48 m
Answer: C
Mathematics
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Provide an appropriate response.Solve the following system for x, y, and z. (Answers are given in that order) 
A. 2, -2, -2 B. 4, 2, -4 C. -1, 2, 1 D. 2, 2, -2 E. 1, 2, -1
Mathematics
Simplify the right-hand side of the equation.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.One maid can clean the house in 3 hours. Another maid can do the job in 4 hours. How long will it take them to do the job working together?
A. 
hr
B. 1
hr
C. 
hr
D. 12 hr
Mathematics
Solve the problem.The intensity of a certain noise is 6.71 × 10-9 W/cm2. How loud, in decibels, is this sound level? Use the formula 
where 
(Round to the nearest decibel.)
A. 87 decibels B. -4 decibels C. 78 decibels D. 89 decibels
Mathematics