exam Maths Puzzle Numerical Ability

Solve each equation.Check each solution.

23-2t=15-t

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exam Other Question

Hi,

I need some help with the following:

I am not sure how to answer this.

Using FOIL, simplify the expression "(3x + 2)(3x - 2)". Show that a
particular factoring form A painter works on a job for 10 days and is then joined by her helper. Together they finish the job in 6 more days. Her helper could have done the job alone in 30 days. How long would it have taken the painter to do the job alone?