Answer:
GCF = -3
-3(7x+10)
Step-by-step explanation:
-21x - 30 =
-3(7x+10)
Answer:
a
Step-by-step explanation:
They make a right angle. A right angle adds up to 90.
The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2.
So the answer is b(2a+b)
Answer:
1/2
Step-by-step explanation:
Has A 4+8=12
All together 12+12=24
Probability to have A 12/24 or 1/2