Answer:
11.2m
Step-by-step explanation:
Using Pythagoras,
a²+b²=c²
10²+b²=15²
100+b²=225
b²=225-100
b²=125
b=√125
b=11.2m
she needs 10 feet because 6 2/3 yard converted into feet is 20 and 30-20=10
Yup, because it's totally efficient to scoop out teaspoon by teaspoon of milk.
NOT
Answer:
first 2, second 4, third 3, and the last one 1