exam Maths Puzzle Numerical Ability

Sketch the graph of this equation
x=9

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exam Other Question

ok i am in Algebra A and i am doing weighted averages. the problem is: An alloy of metals is 25% copper.Another alloy is 50% copper. how much of each alloy should be used to make 1000 grams of an alloy that is 45% copper? Solve this by using a system of Linear Equations:

A new parking lot has spaces for 450 cars. The ratio of spaces for

full-sized cars