50 gallons of 70% acid solution are obtained by mixing and 80% solution with a 50% solution. how many gallons of each solution must be used to obtain the desired mixture?

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

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Determine domain and range, largest open interval, and intervals which function is continuous.