What was one similarity between the Mayas, the Incas, and the Aztecs? They all dug canals.
O They all created calendars.
O They all built roads.
They all built temples.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

b. great plains

hope this

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

it increased the power of the king of england.