Answer:
The answer is B=10 and the top is called hypothenus
Using Pythagoras in the first question
c=

which is approximately 16.5
for the second question
we also use Pythagoras

Answer:
{4, 5 }
Step-by-step explanation:
Solve the inequality
n + 1 > 4 ( subtract 1 from both sides )
n > 3
The set of values that make the inequality true is { 4, 5 }
2% , 5% , 10% are the errors in that