Pls Help! Show all your work ty! On a shopping trip, Marge drove 3 km at 60 km/h, 5 km at 120 km/h, and 3 km at 40 km/h. Her average for the whole trip was...
A) 20 km/h
B)73 1/3 km/h
C) 81 9/11 km/h
D) 66 km/h
E) 65 km/h

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Which statement best describes the polynomial

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5