a dirt bike requires 15 L of gas to be mixed with 4 L of oil. If you use 20 L, How much oil will you need?

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.

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

The volume of a cube is 8 in to the 3rd power. how long is each side?