2. Determine the type and degree of each of the following polynomial expressions.
9x^4t^9
X^4 - 3x^2+ 7x^5
19a^6b^2 + 8ab^3 - 27a^7

How do you answer this question? (step by step)

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years