I need help but i need an explanation

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.

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Line wx is parallel to line yz. if m