PLEASE ANSWER ASAP WILL GIVE BRAINLIEST

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 magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25