The focus of smoothing methods is to smooth out a. significant trend effects. b. long-range forecasts. c. wide seasonal variations. d. random fluctuations.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i