exam Maths Puzzle Numerical Ability

When solving a linear inequality, do you always need to solve for y? Why or why not?

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exam Other Question

The Great Pyramid at Giza was origionally 483 feet tall, and it had a swuare base that was 756 feet on a side. It was built from rectangular stone blocks measuring 7 feet by 7 feet xsquare -4xy-5ysquare