Elena says that equations a and b are not equivalent.
• equation a: 13 – 5x = 48
• equation b: 5x = 35
write a convincing explanation as to why this is true.

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 each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

Use the given information to determine the exact trigonometric value.