Answer:
3 and 7/10
Step-by-step explanation: convert how much daria walked in the morning to a denominator of 10 and then add
Answer:

Step-by-step explanation:
From law of indices
Answer:
28.8
Step-by-step explanation:
A squared plus b squared equals c squared.
Answer:
6 blue marbles
Step-by-step explanation:
20 marbles * .30 are blue = blue marbles
20 * .30 = 6 blue marbles