exam Maths Puzzle Numerical Ability

The length of a rectangle is 8 cm mor than 3 times its width. the perimeter of the rectangle is 64 cm.
A. What are the dimensions of the rectangle?
B. What is the area of the rectangle?

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exam Other Question

The measure of an angle is 2/3 the measure of its supplement. Find the measure of the angle and its supplement.

my equation for this is x + (2x)/3 = 180
and my answer is 108 and 72 ( is it correct?) f(x)=1/32x^5

f(x0=x^3+2

f(x)=-2x+3

f(x)=x^2+1