Answer:
s=4.75
Step-by-step explanation:
Just substitute the given variable values into the original equation
s=10•½+½•-2•½²
s=5+-1•¼
s=5+-¼
s=-4.75
0
because
k c r
10 + (-10)
10 - 10=0
Answer: 142°
∡BAC= 38°
∡BAN= 180°-38° = 142°
p could be 5 and q could be 8 this is just my guess but i think its right
