Find the value of x.

x=19

Step-by-step explanation:

you do 180-123 because angles on a straight line add up to 180

this gives you 57

then you divide this answer by 3 which gives you the answer of x

use formula for the circle a=3.14

step-by-step explanation:

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )