Their frequency stays the same and their wavelength decreases
Answer:AlF3
Step-by-step explanation:
Answer:
-5,-11
8,14
Step-by-step explanation:
Let 's say r the commun difference
1)
1,1+r,1+2r,1+3r=-17
1+3r=-17
3r=-18
r=-6
Sequence is 1,-5,-11,-17
2)
2,2+r,2+2r,2+3r=20
2+3r=20
3r=18
r=6
Sequence is 2,8,14,20
Answer:
C
Step-by-step explanation:
you can only work 40 or less hours per week but you must earn greater then or equal to $323.
Answer:
total space of an object is area.
it is used in for calculating area of rooms as measurements.
