What is 73 7/10 - 25 5/8?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?