What value of x makes this equation true? 12x - 15 = 6 - 3x

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

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

Determine which solution is correct for solving 5/7y=6 reciprocals.