Question

Can someone help me with question 9b

Answer 1

Answer:

-7

Step-by-step explanation:

Because, here the value of x is given 5 and the equation is also be given y= 8-3x so when we put the value of x in it this answer ought to be given

Answer 2

Answer:

Step-by-step explanation:Answer:87.5%

Step-by-step explanation:

increase in size =3.5

percentage of increment=

(3.5÷4)×100=0.875×100=87.5