exam Maths Puzzle Numerical Ability

The area of a rectangle is the product of its length and width, and equals 1062. If the length is 5 more than three times the width, find the width of the rectangles.
Please help me thank you.

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exam Other Question

Write 2 different equations for which the solution set over the domain (0,1,2,3,4) is the given set. (0,3) Please help me with question. I do not understand it at all. Thanks so much for your help.

Find the indicated outputs for f(x)=2xto the second power -2x
f(0)=
f(-1)=
f(2)=

thanks again for the help.