Answer:
15
Step-by-step explanation:
For 1 house, the charge just to go to a house is $12.
In each house you made $57.
$57 - $12 = $45
The charge per house just for raking was $45.
You charge $9/hour.
$45/($9/hr) = 5 hours
You shoveled 5 hours in each house.
3 * 5 hours = 15 hours
Answer: 15 hours
160/5 is 32 rose per arrangement therefor 8*32=256 rose will be needed
Answer:
49 . hope you found it helpful
Um, ok I'm not entirely sure what number sets you need, but I'll do my best.
Integers: 5, -3, 0, 1, -12
Fractions: 1/2, 4 1/2
Decimals: 14.2, -19.4, 0.125
All of the above can also be considered Rational numbers. Rational numbers are numbers that can be expressed as a fraction. All For example, 14.2 is 14 1/5.
Irrational number: 
Pi is irrational. It cannot be expressed as a fraction.
I think it’s the first one
Sorry if I’m wrong