68052wassupcan someonetell me whats 1+1 im so confused plz help

What is the vertex form of f(x) = x2 + 6x + 3

Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line

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