The length and breadth of a cuboid are in the ratio of 4:5. The height and total Surface area of the cuboid are 18 cm and 3384cm^2 respectively. find it's length and breadth

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box