How do write 6 less than the product of 8 and k as an algebraic expression

Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal ) omg bruh can someone me.

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?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.