Nick has planted 20 flowers. He can plant 7 an hour. Rachel can plant 10 flowers an hour,
but she has only planted 5. How many hours (h)
will it take Rachel to catch up with Nick?
f = 7h + 20
f = 10h + 5

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

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Factor and solve to find roots x squared -x - 90 =0