book Maths Puzzle Numerical Ability

A vending machine takes quarters, nickels, and dimes. How many possible ways can Deidre use coins to purchase a drink for 60 cents?

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Given the graph above, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the a mechanic"s tool set is on sell for $180 after a markdown of 40% off the regular price. find the regular price.