Solve the problem.83 animals out of a total of 277 animals were treated for an illness. What percent of the animals were treated for the illness? Round to the nearest whole percent.
A. 28%
B. 25%
C. 30%
D. 2770%
Answer: C
Mathematics
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Establish the identity.
= cot ? - tan ?
What will be an ideal response?
Mathematics
Solve the problem.A line has a slope of 
. What is the slope of a line perpendicular to it?
A. 
B. - 
C. 
D. - 
Mathematics
Solve.-2x - 7(x - 1) = -5(2x - 5)
A. 18 B. -32 C. -18 D. 32
Mathematics
Provide an appropriate response.Suppose that you are solving a system of three linear equations by the Gauss-Jordan method and obtain the following augmented matrix. 
What row transformation would you perform next?
A. Add - 
times row 2 to row 3.
B. Add 8 times row 1 to -10 times row 3.
C. Add 8 times row 2 to row 3.
D. Multiply row 3 by 
.
Mathematics