I need help i will give 19 po. ints

C

Step-by-step explanation:

Good luck and can I have brainliest

-5 7/10

How?

13 4/5

8 1/10

you need similar denominators.

13 4/5 x 2 = 13 8/10

13 8/10 + ? = 8 1/10

8 1/10 + 5 7/10 = 13 4/5

(5 7/10 turned negative bc its below sea level and your technically adding.)

MAY BE INCORRECT!

where r the answers

step-by-step explanation:

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.