Hey can somebody please help me with this

x =4

Step-by-step explanation:

sum of angles in a triangle = 180

(equilateral triangle) all sides are equal

180 ÷ 3 = 60

10x+20 =60

10x = 60 - 20

10x = 40

10x ÷10 = 40÷ 10

x = 4

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|

idk wbu

step-by-step explanation: