Simplify -10x - 2x + 3x

a. -9x
b. 9x
c. 11x

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

Adriveway is 40 yards long about how many meters long is it

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)