(From MATH workbook 8A)

x = 0.5

Step-by-step explanation:

Given

- 8.25x + 12 - 1.75x = 10.5x + 1.75 , that is

- 10x + 12 = 10.5x + 1.75 ( subtract 10.5x from both sides )

- 20.5x + 12 = 1.75 ( subtract 12 from both sides )

- 20.5x = - 10.25 ( divide both sides by - 20.5 )

x = 0.5

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )