Which of the following are solutions to the equation below? check all that apply. 4x2 - 81 = 0 a. 9 b.-9/2 c.-2/9 d.-9 e.9/2 f.2/9

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

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Select the sequences that are geometric.