If the starting amount for the checking account is 1,423.23,what would the balance be at the end of the month?

Can someone with this? ! the answer choices are 1, 1.3, 1.45, and 1.9!

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.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x