How do you change 7.5% into a decimal point

3x + 4y = 5 x- 3y = -7 solve by substitution

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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!