What is the numbers to pie?

Determine which postulate or theorem can be used to prove that lmn =nmo

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Were only 64 seats. the remaining 6 students had to travel in a separate van. the equation 2b + 6 = 70 represents the given scenario. what does b represent? the number of buses the number of vans the number of students who rode on each bus the total number of students going to the football game