Which polynomials are in standard form?

Choose all answers that apply:

(Choice A)
10-n

(Choice B)
5n+3n^3-15n+3n

(Choice C)
n+4n^2-7n^3n+4n

(Choice D)
None of the above

Write two subtraction equations that are equivalent to 5 + 12 = 17.

The function show two sisters' savings account and the rate at which they plan to deposit money

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4