Answer: no
Step-by-step explanation:
Negative numbers can't have real number square roots, but negative numbers can have real number cube roots
Answer:
15.24 square meters
Step-by-step explanation:
C because for every mile the cost increases be $4.75
Let x be the amount of cement and y be the amount of sand. If <span>the ratio of cement to sand for mortar is 1:3, then

and y=3x.
</span>
So, if <span>Sandy puts in x=7 shovels of cement, then she puts

shovels of sand.
</span><span>
</span><span>
Answer: 21 shovels of sand.
</span>
Answer:
7 groups
Step-by-step explanation:
Each group would have 1 blue marble and 3 green marbles