exam Maths Puzzle Numerical Ability

simplify:

68-19
______- 32/8 +14 divided by 7
2+5

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exam Other Question

can someone please help me with this problem:

Evaluate the function at the given value of the independent variable and simplify.

f(x) = x^3 + 3 / x^2 - 3 ; f(3) Hello out there,I need some help with three problems,the first one is,Determine whether sqrt 67 is rational or irrational.If it is irrational,find two consecutive integers between