To find 40%of 70, priya calculates 2/5•75. does her calculation give the correct value for 10%of 75? explain or show how you know

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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?

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.