Ronita moved 1/3 of the books in her backpack to the kitchen table. three boiks were already on the table. there are 5 books on the table now. how many books, b,were orginally in ronita's backpack?

What is the solution of sqrt x+2-15=-3

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Find the commission on a $590.00 sale if the commission is 15%.