Answer:
the answer is C. Direct Control
Step-by-step explanation:
giving each student the same test is something being controlled directly by the scientist/reasearcher
can't be randomization as it is not random
can't be replication as nothing is being replicated/duplicated
Answer:
Step-by-step explanation:
0.144 rational
√(0.144) irrational
√(0.0144)=0.12 rational
Answer:
y = - 4
Step-by-step explanation:
A line with slope 0 is a horizontal line parallel to the x- axis with equation
y = c
where c is the value of the y- coordinates the line passes through.
The line passes through (- 3, - 4 ) with y- coordinate - 4 , then
y = - 4 ← equation of line