A person jogs 21.0 km in 17 minutes, then 23.0 km in 15 minutes, and finally 1.43 km in 25 minutes. What is the jogger’s average speed ?

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

You see a white marker with an orange circle and black lettering. what does this marker tell you

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative