A9 gram sample of a substance thats used for drug research has a k vaulue of 0.1483

What is sin 7x/4 ? i need on this urgent trig

Long division the problem is 40 ➗ 348 = ?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.