Write an algebraic expression for each word expression. 1. the sum of 5 and a number x
2. 11 decreased by n
3. the quotient of -9 and y.
4. twice a number, minus 13

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

mark brainliest!