Step-by-step explanation:
1. 3:1
2. 12:4
3. 15 : 3
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Answer:
Step-by-step explanation: its the second one bc
n = 2m-4
n+2/m-1=2
n+2=2(m-1)
n+2=2m-2
n=2m-2-2
n=2m-4
So first you would substitute j and k in the expression.
7(0.5)+5-8(0.25)
3.5+5-2
It would equal 6.5
Hope this helps!
its 4 bv 1x4 is 4 4x4 is 16 and 16x4 is 64! goodluck!