A classroom is arranged with 7 seats in the front row, 13 seats in the middle row and 10 seats in the back row. Mrs. Allen randomly assigns students a seat as
they enter the classroom. What is the probability that the first student that enters
the room will be assigned a seat in the back row? (Write your answer as a
fraction in simplest form)
PLEASE HELP ‼️‼️

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.

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)