If you have a bowl with six apples and you take away four how many do you have left?

Franco wants to double the volume of the cone. what should he do?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

What are the first 4 terms in the multiplication pattern given by the formula 2×4n