Ivan scores 57 out of 80 in a maths test. What is his score as a percentage ?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

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. ?

Find the value of x. round the length to the nearest tenth