What equation represents a line that passes through (-2,4) and has a slope of 2/5 a- y-4=2/5(x+2) b- y+4=2/5(x-2) c- y+2=1/3(x-4) d- y-2=1/3(x+4)

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

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

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.