Ava and Jen are competing to see who can sell the most tickets for the Winter Dance. On Monday, Ava sold 21 tickets, then sold 30 per day after
that. Jen sold 53 on Monday, then sold 26 per day after that. On what day
will they have sold the same number of tickets? How many tickets will that
be? Write the answer as an ordered pair... (days, tickets sold). Do not
include the units. *
Your answer

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

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?