14 because Mark has none, Cat has 8 and Sophia has 6 so 8+6=14.
Answer:
1 and 2 is and 3 is not
Step-by-step explanation:
Yes, She is correct.
Pythagorean theorem:
base² + altitude² = hypotenuse²
k² + k² = j²
Add the like terms. Like terms have same variable with same power.
2k² = j²
The person bikes 20 miles in an hour.