Jesse took his dog and cat to the vet the dog weighs 23 pounds the vet tells him the cat weighs 5/8 as much as his dog how much does the cat weigh

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

X+ y = 5 ; x - y =3 solve using linear combination

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?