Answer:
DF = 3
m<B = 28 degrees
Step-by-step explanation:
Hope that helps!
Answer:

Step-by-step explanation:
Let x = number of books that Hannah donated
We know that the number of students is 150 and the total number of books is represented by b, we can write that as:
Average number of books donated by each student = 
Now we know that Hannah donated 3 times as much as the average. We can write that as:

Answer:
1/6
Step-by-step explanation:
this seems too simple but...
6/6 would be all the cupcakes the whole
so if 5/6 are gone than
1/6 are left
Answer:
2(5x + 2)
Step-by-step explanation:
× equals negative 4 i think and y equals -3