Math how to write 3 4/12 of improper fractions. Write how do tell Matt the easiest way to do so.

Please help ASAP

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared