Which is the equation of a circle with its center at (-4,2) and a radius of 4?
Select one:
a. (x+4)2 + (y-2)2 = 16
b. (x-4)2 + (y+2)2 = 16
c. (x-4)2 + (y+2)2 = 4
d. (x+4)2 + (y-2)2 = 4

Asyringe contains 56.05 ml of gas at 315.1 k. what volume will that gas occupy if the temperature is increased to 380.5 k? a) 12.41 b) 46.42 c) 67.68 d) 81.74

What are the variables in gay-lussac’s law? pressure and volume pressure, temperature, and volume pressure and temperature volume, temperature, and moles of gas

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?