Mr. Lassie goes out to eat with his family. Their dinner costs $144. Mr. Lassie is going to leave a 25% tip because the service was excellent. What is the total amount of the dinner out?

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

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?