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% provide the math

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.