Answer:
7
Step-by-step explanation:
2 x (2) + 3
= 4 + 3
= 7
Answer:
1/2 = r
Step-by-step explanation:
7r + 21 = 49r
Subtract 7r from each side
7r-7r + 21 = 49r-7r
21 = 42r
Divide each side by 2
21/42 = 42r/42
1/2 = r
Step-by-step explanation:
x^2 +10x + 24
use FOIL
have a great day
Answer:
B. 21.64
Step-by-step explanation:
We have been given a triangle and we are asked to find the length of AC (b).
We will use law of cosines to find the length of side AC.

Upon substituting our given values in the formula we will get,
Upon taking square root of both sides of our equation we will be get,
Therefore, the length of b is 21.64 and option B is the correct choice.
He needs 6 more hot dog buns. You just simply subtract 12 from 18.