Answer:
The formula for the perimeter, 'P' of a rectangle whose length and width are 'l' and 'w' respectively is P = 2(l + w). To calculate the length and width of a rectangle first, calculate the value of width 'w' by using the area of rectangle formula that is, 'w = A/l'.
Step-by-step explanation:
apply this formula
While if u mean 5^3+1^3 then it’s 5^4 but if you mean 5^3+1^3 then it is 126
Answer: I think the answer is 20
Your answer should be 81 for a. I got this result by multiplying 9 by 9.
Answer: (11, 7.5)
Step-by-step explanation:
((8, 12)+(14, 3))/2=
(8+14, 12+3)/2=
(22/2, 15/2)=(11, 7.5)