Analysis  Ariel incorrectly says that 578 is the same as 5.78. Convert 578 to a decimal correctly. Then explain Ariel​'s likely error.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!