What is the answer to this problem ?
-5k(5k+4)=25-10k

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

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

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.