Choose the polynomial that is written in standard form. 2x2y2 + 3x4y + 10x6 4x4y2 + 6x3y5 + 10x −3x8y2 + 9x2y + 10x2 −7x6y2 + x3y8 + 10x2

The degrees of the terms are ...

 a) 4, 5, 6

 b) 6, 8, 1

 c) 10, 3, 2

 d) 8, 11, 2

The polynomial that has terms in decreasing order of degree is

 c) -3x⁸y² +9x²y +10x²

step-by-step explanation:

12: 00 p.m. to 7: 00 p.m. is a total of 7 hours.

4: 00 p.m. to 7: 00 p.m. is a total of 3 hours.

this means that from 4: 00 p.m to 7: 00 p.m. this represents 3/7 of what was lost from 12: 00 p.m. to 7: 00 p.m.

after knowing this, after doing 11,600 - 6,800 = 4,800

4,800 represents 3/7 of what was lost for 7 hours.

we then divide 4,800 by 3 which gets 1,600.

because we know that 1,600 represents 1/7 of how much water was lost, we just have to multiply by 7, which gets 11,200.   after adding 11,200 to how much water was left at 7: 00 p.m. which was 6,800. 11,200 + 6,800 = 18,000

this means that the pool originally had 18,000 gallons in the pool.

you can also check your work by doing 18,000 - 4(1600), which becomes           1800 - 6400 which gets you 11,600.