Miguel withdrew $20 per week from his bank account for 4 weeks. Which expression shows the change in his account balance? A. -20+4
B. -20-4
C. -20x4
D. -20 ÷4

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

How do you determine whether a relationship represented as as graph is linear or nonlinear

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).