Question

Question and examples in picture. Please help

Answer 1

`a = 7, LN = 105`

Explanation:

`LM = 8a`

`\textrm{LM also equals 56}`

Solve for a

`8a = 56 \rightarrow a =7`

Given that a = 7, solve for MN

`MN = 7a`

`MN = 7(7) \rightarrow 49`

In order to find LN, add 49 and 56 together

`49 + 56 = 105`

`LN = 105`