20 point question first to give the answer and gets it right will get brainliest. i know its easy its to give points and a brainliest Simplify: 10(y + 5)

50y

10y + 5

10y + 50

10y + 5

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.

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8