75 +10n = 15n
75 = 5n
15 = n
Therefore 15 classes
Answer:
3^4 = 81
Step-by-step explanation:
3x3x3x3
9x3x3
27x3=81
Answer:
(0, 25) or (3, 20) or (6, 15) or (9, 10) or (15, 0)
Step-by-step explanation:
Answer:
-2/7
Step-by-step explanation:
Going from (7,-1) to ( 21,-5) we see x (the 'run') increasing by 14 and y (the 'rise') decreasing by 4. Thus, the slope of the line connecting these two points is m = rise/run = -4/14, or -2/7.