A park in Hatfield has trees which were planted in the years: 1940 1940 1965 1968 1972 1980
1986
1986
1986
1990
1992
1994
Work out the mean age of the trees
(a) in 2009,
(b) in 2030.

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

answer: i literally just answered this question but they want me to do it again

step-by-step explanation:

yes

step-by-step explanation:

yes