How do you add (− 3c4 − 5c2 − 7c) + (4c4 + 8c3 + 2c2)

c^4 + 8 c^3 - 3 c^2 - 7 c

Step-by-step explanation:

(− 3c^4 − 5c^2 − 7c) + (4c^4 + 8c^3 + 2c^2)

I like to line them up vertically.

 − 3c^4            − 5c^2 − 7c

+  4c^4 + 8c^3 + 2c^2

 c^4    +8c^3   -3c^2  -7c

42.4 6th grade students prefer hip hop

step-by-step explanation:

40 percent of 106 = 42.4

um is there supposed to be a picture?