The sum of two consecutive numbers is 51, find them.

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.

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate