Type the missing number that makes these fractions equal: 7/?=42/48

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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.

Which function has the domain x> -11?