exam Maths Puzzle Numerical Ability

Solve the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.


2x +3y = 1
5x +3y =16

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exam Other Question
The test statistic that is used to test hypotheses about the mean when a small sample is involved follows a _________ distribution.
a. t
b. z
c. chi-square
d. binomial Find the quotient and the remainder



(x^4-2x^2+3)/(x+1)