How many ounces of clay did kim and simon have in all plz

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

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Which system of linear inequalities is represented by the graph?