Its d) f(x)= 300+50x/2+x..............................................................................
The third one, not sure about any other ones.
The area is 24² because 8*3 is 24
The perimeter is 8+8+3+3 which is 16+6 and that equals 22
22 is the Perimeter and the Area is 24²
It will be 3 weeks because if you divide 7/2,100 it will become to be 3weeks
25 questions
Explanation: 20 divided by 25 is .8 which is 80%