there are four seat in a cinema hall. in how many ways can four people sit in a cinema hall if only two of them can sit in the front row​

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.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Simplify. 3(4+4x) (type your answer in with no spaces)