Which algebraic expression has like terms?

9 n cubed minus 2 n + 3 minus 4 n squared

7 n cubed + 3 n minus 3 minus 6 n squared

7 n cubed + 4 n minus 3 n cubed minus 5 n squared

6 n cubed minus 4 n Superscript 4 Baseline + 6 n minus 5 n squared

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

The graph of the the function f(x) is given below. find [tex]\lim_{x \to 0\zero} f(x)[/tex] [tex]\lim_{x \to 1+\oneplus} f(x)[/tex] [tex]\lim_{x \to 0-\zeroneg} f(x)[/tex]

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer