Answer: 0
Step-by-step explanation: -6.80 + 6.80
Negative numbers act as subtracting
Given:
square shape
Perimeter 28 feet
Find its area
A square has 4 equal sides, so perimeter is 4a
Perimeter = 4a
28 ft = 4 a
28 ft / 4 = a
7 = a
One side of the the square is 7 ft.
Area of a square is the measure of one side raised to the power of 2.
A = a²
A = (7 ft)²
A = 49 ft²
Answer:
I’m pretty sure it’s 1:3
Step-by-step explanation:
The correlation coefficient r of the data set is <em>-0.28</em>