Rearrange the formula a2 + b2 = c2 for a. a) a = (c2 − b2)2 b) a = (c2 + b2)2 c) a = c2 − b2 d) a = c2 + b2

Which best explains why this triangle is or is not a right triangle ?

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?