emma, clare ,and mark sent a total of 63 text messages during the weekend. clare sent 5 fewer messages than emma. mark sent 2 times as many messages as emma. how many messages did they each send?

Solve the system of equations. y= 2x y= x^2 - 15

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: