Se dau punctele coliniare a, b,c cu distanta ab=30 bc=15 .calculati distanta dintre asic. catr soluti are proclrma?

What is the distance between (–2 1/2,-3) and (1, –3)?

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

Evaluate the expression for the given value of the variable 7a - 4a for a =8