Which property justifies the following statements?
4(x+5)=4(x)+4(5)

Can any one me with the answers to these questions asap?

Which graph represents the given linear function 4x+2y=3

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!