Answer:

Step-by-step explanation:
By the exterior angle theorem,

Group like terms and solve for x.


Divide both sides by 19;

Answer:
You didn't provided the answer choices, but the answer is he scored 22 points in total.
Step-by-step explanation:
Answer:
9/4 * 3/4 = 27/16 = 1 
Step-by-step explanation:
Answer:
the circumference is 30 cm,
Step-by-step explanation:
Hope it helps
Answer:
X = 42
Step-by-step explanation:
What divided by 7 equals 6..... 42! to prove we are right let us plug it into our equation.
42 / 7 = 6
DING DING DING Correct !