Which expression is equivalent to 8+18a−2+6a ? 30a 24a + 10 24a+6 8(1+2a)−(2+6a)

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 candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

The formula to determine energy is e=1/2mv2? what is the formula solved for v?