QUICKLY Error Analysis Amy began with $

26 in

her bank account and spent $

2 each day. The line models the amount of money in

her bank account.

She incorrectly wrote an equation for the line in slope-intercept form as

y=−2x+13. What is the correct equation for the line in slope-intercept form? What mistake might

Amy have made?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?