How many three digit numbers can be formed using only the digits 1,2,5,7,8, and 9 without repetition

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?