GUYS HELP ME PLEASE I have math starting soon and I need the answers for each problem and an explanation(way) that you got that answer. Your either going to do increase(add) or decrease(subtract). I am so stuck This is 10 points! The picture is at the bottom please hurry!!!

1)- answer and explanation(way you got that)

2)- answer and explanation(way you got that)

3)-answer and explanation(way you got that)

4)-answer and explanation(way you got that)

i = 2 / - 5

step-by-step explanation:

evaluation of ( 2 - 4 ) ( p + q ) when p = 2 and q = 5 i, by putting values of p and q,                                                                    

many reason,

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: