N 1999, there were 41,426 shopping centers in a certain country. In 2009, there were 48,940.(a) Write an equation expressing the number y of shopping centers in terms of the number x of years after 1999.(b) When will the number of shopping centers reach 70,000?

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags