Dakarai wrote the system of linear equations below. 7x+8y=28 -3x+9y=-24 dakarai then wrote the coefficient matrix that represents this system. which matrix could she have written?

Triangle jkl was dilated using the rule dm, 1/3 the image, triangle j’ k’ l’ is the result of the dilation. a.5 units b.7.5 units c.10 units d.12.5 units

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²