Dorabella and Guillermo are rowing on the same river in the same direction Dorabella who is rowing her Canoe at 7 mph and it’s exactly 4 miles ahead of Guillermo who is rowing his canoe at 9 mph. how many hours will it take Guillermo to catch Dorabella well?

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Simplify the expression. -2/5(10+15m-20n)

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution