Lines m and n are parallel lines. if line m has a slope of -1, find the slope of line n. type a numerical answer in the space provided. if necessary, use the / key as a fraction bar. do not type spaces in your answer.

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

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Give me the equations of two lines that have the same slope but are not parallel.