Help! What’s g? I don’t know if you don’t know please don’t answer

What statement is true? 2x^2-9x+2=-1

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220