Answer:
b. Kathy
Step-by-step explanation:
We compare each of their score by how far away from the mean when in term of the standard deviation. Using the following formula

For John he is (85 - 75)/5 = 2.
For Kathy she is (80 - 50)/10 = 3.
Since Kathy is 3 standard deviation better than her class' average, while John is only 2's. We conclude that Kathy did better.
Answer:
The entire volume would be 60m, but if it's talking only about the little rectangle on top then the answer is 6m.
Step-by-step explanation:
The length of the smaller object is 1m, the height is 2m, and the width is 3m (as seen to the right side near the bigger block).
Multiply all those numbers together (1×2=2, 2×3=6 or just simply 1×2×3=6)
Answer:
Step-by-step explanation:
width is 255/15=17
perimeter = 17*2+15*2=64
EZ
Answer:
1.73
Step-by-step explanation:
Arelli use 6.9 pints of white and blue paints for her bedroom
3/4 of this amount is white
3/4
= 0.75×100
= 75
100-75
= 25
Amount of blue paint is
25/100×6.9
= 0.25×6.9
= 1.73
Sorry, not sure how to describe it, but the lower the temperature, the higher the hot chocolate sales.