exam Maths Puzzle Numerical Ability

Graph the solution to the inequality │y � 1│< 2

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There are 8 servings in a bag of popcorn. How many bags of popcorn are needed to serve x number of people? 24 people? Can someone help me with this?

Simplify the product (4 + i) (6 + 7i).
Express the answer in the form a + bi, where a and b are real numbers.