exam Maths Puzzle Numerical Ability

Which are dependent events?

A. Flipping a penny and a dime
B. Spinning a spinner twice
C. Drawing a card, another card without replacement
D. Drawing a card, replacing it, drawing another card

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exam Other Question

The sum of two numbers is 32. Their difference is 10. What are the two numbers?

What? The length of a rectangle is 9 inches greater than the width. The area is 36 inches squared. Find the dimensions. Then I have 6 boxes each fo width, length and area. How do I figure this out? Thank you.