Answer:
175/1001
Step-by-step explanation:
(a.)
Freshman: 5 Combination 2
sophomores: 7 Combination 3
Junior: 4 Combination 1
The combination of three groups :
=5c2 × 7c3 × 4c1
=10 × 35 × 4
=1400 ways
(b.)
=5+7+4=16
=2+3+1
Which is (16 combination 6)
The probability will be:
=(5c2 × 7c3 × 4c1) / 16c6
=1400/8008
=175/1001
Answer:
10, 11 , 16, 18 &19
Step-by-step explanation:
I think it’s 7x plus -4x which equals -3 then u would do 2 plus -7 which equals-5 so it will be positive 8 I think I do t really know I tried
The answer is the third option which is AEF and FED, AEG and CEG
Second choice- multiply by 12