Answer:
The correct answer is C. 7x^3 + 2x -4
Step-by-step explanation:
The other guys answer is incorrect. He gave himself 5 stars and it stayed like that until i took them down some
Answer:
4 pi
Step-by-step explanation:
diameter = 2r
4 =2r
r =2
area = pi × (r)^2
= pi × 2^2
= 4 pi
Answer:
7
9
Step-by-step explanation:
key is the number of letters in each word