Y= − 7x y= 4x+22 Solve the system by substitution

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

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

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog