The circumference of the circular table on Lisa's porch is 144LaTeX: \PiΠ inches. What is the radius of the table?

Circumference = 2LaTeX: \PiΠr

Group of answer choices

36 inches

72 inches

144 inches

18 inches

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Icould really use some with this question.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2