The standard deviation is the square root of the variance...so that means the variance is the standard deviation squared.
2.3^2 = 5.29 <===
Answer:
-3
Step-by-step explanation:
x - 4 = - 7
Carry over the - 4 and make x the subject.
x= - 7 + 4
x= - 3
Therefore x is - 3
We have to find the area first
12 x 18=216 square feet
we do 216* $ 1.39= $ 300.24
Well we need the problem or else we cant help you.
Slope = rise / run = 2/3
y intercept = + 3
so its
y = 2/3 x + 3