257 is a whole number, interger, and a rational number.
Answer: x = 7
Step-by-step explanation:
-5x + 3(x + 5) = 1
-5x + 3x + 15 = 1
-2x + 15 = 1
-2x = -14
x = 
x = 7
Answer:
B
Step-by-step explanation:
Answer:
The first choice
Step-by-step explanation:
it is mostly saying you will be testing multiple students or just predicting either way it will be experimental meaning there likely are outliers. however the question is not super clear so this could always be wrong but i hope i helped u