The expression 50.x* y can be classified as a trinomial of degree 12

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

step-by-step explanation:

b segment jm is correct i think