Answer:
50
Step-by-step explanation:
BC²+CA² = BA²
14²+48² = AB²
2500 = AB²
50 = AB
Step-by-step explanation:
The answers are proved by replacing x with 3 and 6 respectively.
Seven fewer than a number is n-7
Answer:
Step-by-step explanation:
c
S(20)=
5*20-2=100-2=98