Pls help I am terrible at math

1. 9(k+3)=27 combine like terms

1.9k=21.3

Step-by-step explanation:

1.9k+5.7=27 then subtract 5.7 from 27 and have 1.9k=21.3

if x decreases by 4 then y increases by 10

step-by-step explanation:

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.