Hi my name is bob plz give brainpower
4-3=1
1+8=9
The answer is 9
Answer:

Step-by-step explanation:
First FOIL (n + 7)(n + 8) and then distribute n
(n + 7)(n + 8) = 
n (
)
= 
Answer:
2
Step-by-step explanation:
Copy 1 is a scaled copy of the original triangle. The scale factor is 2, because each side in Copy 1 is twice as long as the corresponding side in the original triangle. , , Copy 2 is a scaled copy of the original triangle.
P(not a birthday card) is

(

) because if 14 of the 21 are birthday cards then 21-14=7 are not.