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Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out