I can’t help you with just this you need to add a picture or something sorry
Answer:
.15 represents how many miles Kelly runs a minute.
Answer:
use a calculator
Step-by-step explanation:
best trick
42n, you can't take the "n" away. The "n" means times a number, so I I write n=2, then the expression will be 42 x 2, substitute the n with a 2
Answer:
5x^2+3x-3
Step-by-step explanation:
Only add common variables.
(The wierd symbol means squared)
