Cristal had $157 in her checking account. She then made a deposit of $160. Find her new account balance.

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

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd