Barbra answered 72 questions correctly on her test. if her score on the test was 80%, how many questions were on the test?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

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