Cicadas are flying insects that live underground until they are fully developed. It takes 13 years for one type of Cicada and 17 years for another type of Cicada to fully develop. In the year 1998, the two types of Cicadas emerged together in one area. In which year will the two type emerge together again

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?