(n+11)(n-4) is your answer
Answer:
1/4
Step-by-step explanation:
The answer must be

since the triangular pyramid has 4 faces and each has an area of 30

we should multiply that by 4 , so :
Answer:
The slope is -1/4
Step-by-step explanation:
perpendicular line is 
Answer:
B
Step-by-step explanation:
cus thats the formula