Answer:
ohlkkkk
Step-by-step explanation:
but give your questions first
Answer:
its a variety of selection techniques in which sample members are selected by chance
Step-by-step explanation:
The total of all angles of a heptagon is 900.
Therefore
x+125+119+117+145+133+140 = 900
x+779 =900
x= 900-779
x =121 degrees
Answer:
slope = -1
Step-by-step explanation:
parallel lines have the same slope,
y = -x – 4
=> y = -1(x) -4
↑ slope
y = mx + b
↑ slope