Madison and her children went into a bakery where they sell cupcakes for $5 each and cookies for $1.25 each. Madison has $45 to spend and must buy at least 14 cupcakes and cookies altogether. Also, she must buy no more than 4 cupcakes and at most 20 cookies. If xx represents the number of cupcakes purchased and yy represents the number of cookies purchased, write and solve a system of inequalities graphically and determine one possible solution.

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

What is the binomial expansion of (2x-3)^5

What is the first step of an indirect proof of a number that is divisible by two