I think The answer would be A
Answer:

Step-by-step explanation:
First FOIL (n + 7)(n + 8) and then distribute n
(n + 7)(n + 8) = 
n (
)
= 
Question 1
well the is a 1:4 Faculty:trainee ratio
if there are 2:20, that would be a 1:10
you just need to find 1/4th of 20 and thats the total
20/4=5
You need five faculty total so
YOU NEED 3 MORE
Question 2
600 pretzels/10 minutes
?pretzels/52 minutes
600x52/10=3120
Question 3
700 people/ 2 tons
20,850,000/ ? tons
20,850,000 x 2 / 700= <span>59,571.4285714 OR about 60,000 tons</span>
Answer:
= 4
Step-by-step explanation:
first lets find the value of x in 3x+2=5/9
3x+2=5/9
3x =
-2
3x = 
3x = 
x = 
x = 
can also be written as 
−3x+8
-3 (
) +8
+8
= 4
Graph b and d
hope this helps!