Points! 19 of 'em! Andrei wants to fill a glass tank with spherical marbles and then fill the remaining space with water. The variable "w" models the amount of water (in liters) Andrei uses if he uses "n" marbles.

w = 32 − 0.05n

What is the volume of each marble?

13=7.8514=3.5feet15=10.99feet16=2& 317=418=about 9ft19=7.8520=4in

step-by-step explanation:

Okay so for every triangle has three angles that always add up to 180 degrees. and to tell the difference between whether they are secure, right or obtuse is that acute: has one angle that is less than 90 degrees. right triangle means there is at least one angle that is exactly 90 degrees. and an obtuse angle has an angle that is bigger than 180 degrees. i’ll do #13 as an example: 13. 40 and 50 so if every triangle has 180 degrees 40+50= 90 degrees then180-90= 90 degrees so the third angle is 90 degrees and because this triangle has a 90 degree angle it means it is a right triangle

Hey bby was a good way i just got

Igot the answer of 15.8 years.