Is 0.7 greater than less than or equal to 7/9 show your work

The verbal translation for the difference of m and 7 increased by 15

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.