Look for a pattern to find the value
of the ? in the diagram below.

What expression is equivalent to (2x-1)(x-3)?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10