Melinda's family went to a restaurant. the amount of the check was $85.00. once they left the tip, they had spent $99.45.
what is the percentage of melinda's family's tip?

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.