2. Casey added together all of the increases from 2000 to 2005 and subtracted the decreases. She concluded that there was
about a 35% increase in gas price from 2000 to 2005.
Is Casey correct? Explain why or why not.

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

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Plz hurry evaluate the expression a+b where a=8 and b=19