👉🏼Simplify 3w x 5a

👈🏼Find the volume of the pyramid shown below:

👆🏼Show that the equation x^{3} + 6x = 25 has a solution between 2 and 3

👇🏼Solve the below simultaneous equations:

8x + 7y = 39

8x + 2y = 34

🖐🏼Two fair dice are rolled and the numbers are multiplied together. Calculate the probability of the result being less than 20