Car and biker started to move towards each other. The distance between them is 240 miles.
The speed of the biker is 20 mph.
What is the speed of the car if they will meet in 3 hours?
Write equation. Solve.

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.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?