If Alex can do 15 jumping jacks in 20 seconds, how many can he do in 2 minutes

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick