Her method will produce a valid sample.
Her method will produce a random sample.
Her method will produce a representative sample.
Answer:
7/10
Step-by-step explanation:
Y = mx + b
-3 = 1/2(-2) + b
-3 = -1 + b
b = -2
equation
y = 1/2x - 2
standard form
1/2x - y = 2
or
x - 2y = 4
