Answer:
17y+28
Step-by-step explanation:
First, distribute the 4 to 3y+7. This would get you 12y+28. Then add the 5y to the 12y+28. This would bring you to your answer of 17y+28
There is 1 possible combination
There are 5 assignments and they must be completed. 5. We want to find the number of combinations, then we use the formula of combinations.
Where n is the total number of objects and you choose r from them
Then
(a) {6,10}
(b) {1, 3, 5, 6, 7, 9, 10}
(c) ∅
Given,
U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
A = {1, 3, 5, 7, 9},
B = {2, 4, 6, 8, 10},
C = {1, 2, 4, 5, 8, 9},
(a) Since,
,
(b)
(c)
Im cofused