What is it counting by 4.9 to get to 19.6 to get to 44.1 to get to 78.4

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.

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)