need help with C

The following table gives the number of pints of type A blood used at Dambscus Hospital in the past 6 weeks: a) The-forecasted demand for the week of October 12 using a 3-week mowing average =371.67 pints (round your rosponse to Avo decimal ploces). b) Uning a 3.week weighted moving average, wich weights of 0.20,0.25, and 0.55 , using 0.55 for the most recent week, the forecasted demand for the week af recent period and atranest weight apples fo oldest period) c) If the forecasted demand for the week of August 31 is 35 in and a =0.25, ising exponential ameothing, develop the forecaat for enach of the wethas with ithe anown demand and the forecast for the week of Ontober 12 (roand your responses to two decimar piaces)