What is the factored form of 5(8 + 3x) + 5? ​

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!

I'm confused on how to solve the triangle. can someone me ?