Which is the equation of a line that passes through the point (-1,8) and has a y-intercept of 15? a y= 15x - 2b y= -2x + 15c y= 15x + 7d y= 7x + 15

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

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

What percent of the circle below is shaded?