Slve the following system of differential equations x'(t) = -y(t), y'(t) = -x(t), x(0) = 4, y(0)= 3. next, plot the functions x(t) and y(t) in the time interval 0 < = t < = 5. show all code and plots.

Write a select statement that returns product name, customer first name, customer last name, channel description, and amount sold for all the sales. make sure to returns sales even if there is no information on the customer, product, or channe

When building customer relationships through email what should you not do? question 2 options: utilize proper grammar, spelling, and punctuation type in all capital letters use hyperlinks rather than attachments respond to all emails within 24 hours

Need ! will choose brainliest! discuss the role of abstraction in the history of computer software.