Answer:
It is 9000 cents or $90 total for 5 hours
Step-by-step explanation:
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:
x=21
Step-by-step explanation:
add 5 to both sides. it gives u 21
Answer:
9π or 28.27 cm
Step-by-step explanation:
The circumference formula is 2πr or dπ. The diameter is 9 cm so we multiply 9 with pi to get the answer.
Answer:
the corresponding point for function f(x) + 2 would be (12, -8)