The cube and rectangular prism.
Step-by-step explanation:
The triangular prism has 5 and the other two both have 8.
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Answer:
4
Step-by-step explanation:
So we know that RT is 36.
Note that RT is the combined length of RS and ST. Therefore:

Substitute. RT is 36, RS is 6x+1 and ST is x+7:

Combine like terms and add:

Subtract 8 from both sides:

Divide by 7:

So, our answer is 4 :)
Answer:
y = 7
Step-by-step explanation:
15 - 8 =7