exam Maths Puzzle Numerical Ability

The mean of all the observations of an experiment is called the ___________ mean.
a. group
b. treatment
c. block
d. grand

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exam Other Question

find the horizontal and verticle asymptotes for the function

t(x)= x-1/x^2-1 hi please help me i dont understand this problem

in equilateral triangle DEF, Measure of angle D = x+y
and measure of angle E = 2x-y

please answer thanks a lott