2x - 3y = 9; 2x + y = 13 5x + 2y = -3; x + 5y = 4
(4) sm
1
3
99x + 101y = 499; 101x + 99 y = 501
49x - 57y = 172; 57x - 49y
49y = 252
Let's recall.
1 of a linear equation in two variables​

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Common binomial factor of 6x(3x+7)+5(3x+7)

20 ! need ! which exponential function is represented by the table? f(x) = 0.2(0.5x)f(x) = 0.5(5x)f(x) = 0.5(0.2x)f(x) = 0.2(0.2x)