Double the sum of 11.9 and a number

Double the "sum of 11.9 and a number"

Let a number = x.

Note that sum of 11.9 and a number (x) is first

Also, note that double means to "multiply by 2)

2(11.9 + x) is your expression

hope this helps

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

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 ! : )