Let’s start with a simple one. what comes next in this sequence of prime numbers? 11, 13, 17, 19, ?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

What is the simplified form of square root of 400 to the 100th power ?