Answer:
20
Step-by-step explanation:
Plug in -4 for n:
(-4)^2 - (-4) = 16 + 4 = 20
Answer: the answer is -16x+7y+4z
Step-by-step explanation:
Answer:
Color UwU
Step-by-step explanation:
Okay so...
There are 21 groups of 3.
21 x 3 = 63.
63 people are in the room.
-3x-42>3
-3x>45
x<-15
I chose x<-15 because through the process of elimination, if it was an equality, x=-15. Since it is an inequality, when dividing both sides by a negative, the sign switches.
