Chemicals for the pool are sold in 2 kg packs for £25.80. It can also be bought in 20 kg bags for £199. What is the saving per kg when
buying in bulk?
HELPPP

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236