At the end of the first day three of the cricketers scored these runs 28, 61 and 39 The man adds them together and the total score is 128
But his friend checks his calculation by using approximation
Show how the friend used approximation to check the calculation

What is the difference between regular convex and concave polygons

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?