With her promotion, nicki's salary increased from $19.50 an hour to $22.50 an hour. what is the percent of increase, rounded to the nearest whole number? a. 9% b. 15% c. 18% d. 22%

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Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Factor the expression using gcf 9b+45