What is the common denominator of 7/8 and 4/7 4 or 8

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.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Which of the following parabolas opens down?