Please I need fast and correct answer. I will award the best answer with brainliest!!!

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

How can writing phrases as algebraic expressions you solve problems?

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?