I don't know this sorry is there any other way I could help you
Answer:
It can circulate about 14.814 cubic yards per minute.
Step-by-step explanation:
Answer:
the last one
Step-by-step explanation:
One way to choose stocks is by customers demand
Answer:

Step-by-step explanation:
Let x represent the number of lawns Jacob mowed and y represent the number of dogs Sarah walked.
Jacob charges $20 each time he mows a lawn, then he earns $20x for x lawns mowed.
Sarah charges $10 each time she walks a dog, then she earns $10y for y dogs walked.
In total, they will earn $(20x + 10y). They need at least $2000 in order to go on a trip, then

Note that 