What word phrase can you use to represent the algebraic expression 5x−1

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.

What is x and y intercepts for y=x+7

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?