This is a guess, so if it's not right, I completely apologize.
I suppose the answer is C) The 1st angle is a right angle; definition of _|_.
Answer:
the solution is x=(-2,7)
Step-by-step explanation:
you move the constant to the right and chnage its sign in that case that would be the -3
add the numbers
seperate them into 2 possible casses.
then solve.
so the solution is x=(-2,7)
i hope this helps...
Answer: it think it’s the third one
Step-by-step explanation:
Systematic Random Sample, Stratified Random Sample, and Simple Random Sample.