Add and write the resulting polynomial in descending order.(8x8 - 7x5 + 8x2 + 6) + (3x7 + 3x5 - 2x)
A. 11x8 - 4x5 + 8x2 - 2x + 6
B. 11x8 - 10x5 + 8x2 - 2x + 6
C. 8x8 + 3x7 + 4x5 + 8x2 - 2x + 6
D. 8x8 + 3x7 - 4x5 + 8x2 - 2x + 6
Answer: D
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Provide an appropriate response.A probability experiment is conducted in which the sample space of the experiment is 
Let event 
and event 
Assume that each outcome is equally likely. List the outcomes in A and B. Are A and B mutually exclusive?
A. {5, 6, 7, 8, 13, 14, 15}; yes B. { }; no C. {5, 6, 7, 8, 13, 14, 15}; no D. { }; yes
Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.A picture 9 in. by 12 in. is to be mounted on a piece of matte board so that there is an even amount of matte all around the picture. How wide will the border be if the area of the mounted picture is 238 in.2?
A. 3.5 in. B. 2 in. C. 2.5 in. D. 3 in.
Find the average value of the function 
over the plane region R.
and R is the triangle with vertices 
, 
and 
.
?
A. ?5
B. ?
C. 25
D. ?
E. 
Solve using the addition principle.y + 12 = -11
A. -1
B. -23
C. 1
D. 