Answer:
60%
Step-by-step explanation:
It went up 12 dollars, and you need to find how much 12 is of 20 as a percent. You do 12/20 times 5/5 and get 60/100, so 60% markup
Yes, it is.
(31√5) / √65=31√(5/65)
Answer: yes, it is.
Answer:
7.07106781187
Step-by-step explanation:
if its just asking 
:D
Answer:
a = 6
b = 48
Step-by-step explanation:
3*2^1 = 6
3*2^4 = 48
Answer:
(b) 2.71828 . . .
Step-by-step explanation:
If your calculator does not have an 'e' button, you can have it compute e^1 using the exponential function button.
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e ≈ 2.718281828459045...
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Like pi, 'e' is a transcendental number, a number that is not the root of any polynomial with integer coefficients.
