What is the length of the line segment pq on the coordinate grid? 20 units 30 units 40 units 50 units

9is the geometric mean between x and 12

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams

Convert the density of surface sea water to metric tons/cubic meter