Z score=(data value-mean)/standard deviation
z=(90-100)/15=-0.6666666667
Answer:
Black dogs
Step-by-step explanation:
The ratio of brown dogs to black dogs is 5:10, which simplifies to 1:2.
Answer:
-3.45+5.1=1.65
Step-by-step explanation:
You could use a calculator (just sayin)
Just minus 5 feet from the new height which is 13ft, and the equation will be 13-5, and therefore the tree grew 8 feet
Answer:
y=-1/2x+2
the y-intercept is at 2 and the slope is -1/2
meaning the y coordinates with move down 1 while the x coordinates will move 2 in a positive (right) direction