exam Maths Puzzle Numerical Ability

how do you work out the percentage of an area on a pie chart?

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exam Other Question

The set of positive real numbers is closed under which operation(s)? Select all that apply.

a. Addition
b. Division
c. Multiplication
d. Subtraction 1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by

d. For what value is this equation undefined?

2. Biologists want to set up a station to