What are the names of these polygons

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Solve 2x+y=3 x+y=5 in substitution method