The following dot plot represents student scores on the Unit 1 math test. Scores are in whole number increments. If the test was out of 20 points, about what percentage of the students scored at least 80% on the test? PLS SHOW WORK!!!

(40 points) i need some . an answer definition is appreciated as well.

Name the quadrilaterals that have four equal sides.

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