Ed wants to buy a new video game system which costs $250. He has saved $135. Ed charges $9 for each lawn he mows. Which equation could
be used to find the number of lawns, x, Ed must mow to have more than
the amount he needs to buy the video game system?

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 is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue