Answer:
<u>274.6 inches</u> more snowfall Michigan received during the winter of 1978-79 than in 1930-31.
Step-by-step explanation:
Given:
The state of Michigan recorded an all time high snowfall of 355.9 inches during the winter of 1978-79.
Its lowest snowfall of 81.3 inches was recorded during the winter of 1930-31.
Now, to find how much more snowfall did Michigan received during the winter of 1978-79 than in 1930-31.
The snowfall in 1978-79 = 355.9 inches.
And, the snowfall in 1930-31 = 81.3 inches.
So, to get the how much more snowfall in 1978-79 than 1930-31 we subtract:
Snowfall in 1978-79 - Snowfall in 1930-31.

Therefore, 274.6 inches more snowfall Michigan received during the winter of 1978-79 than in 1930-31.
Answer:
10. 2x+y
11. x^2-15x+3
Step-by-step explanation:
10. when u add 7x+3y and 4x+4y you will get 11x+7y. 13x+8y minus 11x+7y will be 2x+y
11. when u add 3x^2+7x+1 and x^2-x+1 u will get 4x^2+6x+2. 5x^2-9x+5 minus 4x^2+6x+2 will be x^2-15x+3
It states that a(b + c) = ab + ac
To find this you would do 800 + 15x where x is the amount of years.
For 9 years it would be 800 + 15(9) which is 800 + 135.
At the end of 9 years, the apartment's rent would be $935. I hope that's utilities included because... yikes...