Use substitution to solve the system.
3x + 4y = 3
y = 2x - 13

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

In a column proof the right column states your reasons