4.5 quarts per minute is 1.125 gallons per minute using the quarts-to-gallons conversion ratio. 1.125 gallons per minute is equal to .01875 when divided by 60, so we have .01875 gallons per hour.
Answer:
a) eight and seven ninths minus three and four sixths
Step-by-step explanation:
The required result is 
a)

b)

c)

d)

Answer:
5
Step-by-step explanation:
Okay, so adding negative numbers can get very tricky, but I think I can help
Since there are two negative signs next to each other, they both cancel out and become positive so instead you get
-2+7
And if you do this with a number line, if you start and negative 2 and keep going right 7 times, you get 5
I hope I helped! I know negative numbers can be really difficult, but once you get the hang of it I bet you'll be great!
Answer:
(x+2)² + (y–3)² = 3²
Step-by-step explanation:
just use the standard formula