I need help please.

In the diagram below, tan θ = sqrt 3. what is the value of m?

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.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)