Mathematics 9
Please help
urgent

What are the exponential rules when adding, subtracting, multiplying and dividing polynomials? ​

If m is proportiif m is proportional to end and m = 220 n = 23 find n when nif m is proportional to n and m = 20 when n = 3 find n when m=30​

Afeeding center has enough food to feed eight indigent children in five days. if two more indigent children were added, how many days will the food last?