If a gas tank can hold 30 gallons, how many gallons does it contain when it is three-fifths full?

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Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²