Solve the polynomial equation symbolically.x2 - 81 = 0
A. 36, -36
B. 18, -18
C. 9, -9
D. 27, -27
Answer: C
Mathematics
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Provide an appropriate answer.Find 
when u = 5 and v = 5 if z(x) = 
and x = u ? v.
A. 
= 0
B. 
= 
C. 
= 
D. 
= 
Mathematics
Determine whether the equation is an identity. If it is an identity, prove it.cos x csc x tan x = 1
What will be an ideal response?
Mathematics
Solve the problem.A triangle drawn on a map has sides of lengths 9.0 cm, 11 cm, and 13 cm. The shortest of the corresponding real-life distances is 110 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 134 km B. 130 km C. 159 km D. 76 km
Mathematics
Check the answer. If incorrect, give the correct answer.
A. Incorrect; should be 62,315 R5 B. Incorrect; should be 62,314 R7 C. Incorrect; should be 62,314 R6 D. Correct
Mathematics