Answer:
11.1
Step-by-step explanation:
Use the Pythagorean theorem to find the unknown side.

Answer:
50% profit
Step-by-step explanation:
Cost price = £ 5000
Selling price = £ 7500
Profit = Selling price - cost price
= 7500 - 5000
= £ 2500
Profit percentage = 
= 50 %
Answer:
= 0.00209
Step-by-step explanation: