The ___ is the difference between consecutive lower class limits

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Find the quotient. 50a2 – 98b2 -5a +7b

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2