Helpp!!! Mathematics⁉️⁉️⁉️ 1. A 20 m length of rope costs £14.40.
(a) What is the cost of the rope, per metre?

(b) Calculate the cost of 12 m of rope.

ASAP !​

Write an equation for the function that includes the points (2,100)and (3,100)

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?