1. D
2.B
3.C
4.B
5.C
Hope this helps
The coefficient is the number next to the variable, in this case it is 5
Mean: add A1+A2+A3+A4+……..+An then divide by 2 means 8+5+7+10+15+21=66/2=33
Answer:
Sorry I don't know this one, I got 5.32
Step-by-step explanation:
Answer:
B) -9
Step-by-step explanation:
31+2= 33 --> -33 + 49= --> 16
-5x-5= 25
16 -25 = -9