Answer: the answer is 88.2 and your welcome!!
Step-by-step explanation:
Tan x=31
x= tan^-1 (31)
x=88.2 degrees
5(x-5)^4(x+4)
you raise x-5 to the 4th power because 5 has a multiplicity of 4
Selection A is appropriate.
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20*1.1^n is the general expression for the cost n years in the future.
20*1.1^3 = 26.62 is the cost 3 years in the future.
14.52 - 5.8 = 8.72 bc math
