exam Maths Puzzle Numerical Ability

Find the slope and the y-intercept.
y = -9x - 5

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exam Other Question

Jose has savings account for each of his 5 children. They contain $215,$156,$318,$75 and $25.Find the median and the mean amount of money per account. Assume that y varies directly as x. If y =4 when x =1/2, find y when x =2