Answer:

Step-by-step explanation:
Given

Required
Evaluate when n = 12
Substitute 12 for n in 

Simplify the fraction


Answer:

Step-by-step explanation:
we know that
Brenda requires 480 grams of couscous for 4 people
so
using proportion
Find out how many grams of couscous she requires for 14 people
Let
x -----> the amount of grams

Answer:
x=10.5
Step-by-step explanation:

By the looks of it the hieght is 7 and base is 6 so
A= 1/2(6)(7)
A= 1/2(42)
A= 21
Answer:
The answer for this problem is at the bottom of picture.