Answer:
21
Step-by-step explanation:
the sum of the express of the summation of the notation
I think it is. Dont take my word for it tho
Answer:
109
Step-by-step explanation:
15+15+15= 45
7+7+7=21
4+4+4=12
4+15×7=109
I hope this helps!
Answer:
The answer is B
Step-by-step explanation:
The formal is A = a+b/2 time h
You just substitute the variables and get the answer
Answer:
Yes
Step-by-step explanation:
yes