exam Maths Puzzle Numerical Ability

Rewrite each equation as a function of x.
Problem: -3x + 4y = 11

4y = 3x + 11
y = -3/4x + 11
f(x) = -3/4x + 11

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exam Other Question

Divide

7x^5y^5-21x^4+14^3y^3
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7x^3y^3 What is the critical value for a one-tailed hypothesis test in which a null hypothesis is tested at the 5% level of significance based on a sample size of 25?
A) 1.708
B) 1.711
C) 2.060
D) 2.064
E) None of the above