Answer:
It is an example of an observational study.
Step-by-step explanation:
The fist box and whisker plot correctly represents the data
Answer:
4√7
Step-by-step explanation:
5√7 + √7 - 2√7
add: 6√7 - 2√7
subtract: 4√7
Answer:
Complex numbers are numbers that consist of two parts — a real number and an imaginary number.
