exam Maths Puzzle Numerical Ability

A commercial artist plans to include an ellipse in a design and wants the length of the horizontal axis to equal 10 and the length of the vertical axis to equal 6. What is the equation that could represent the ellipse?

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exam Other Question

Find two consecutive intergers such that twice the first interger plus the second interger equals 46. An algebra class of 21 students must send 5 students to meet with the principal. How many different groups of 5 students could be formed?