The average score on a standardized test is 500 points with a standard deviation of 50 points. what is the probability that a student scores more than 400 on the standardized test?

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?