20). tasha is planning an expansion of a square flower garden in a city park. if each side of the original is increased by 7m, the new total area of the garden will be 144m^2. find the length of each side of the original garden.
a) 19m
b) 12m
c) 5m
d) square root 5m
21). the area of the playground is 255 yd^2. the width of the playground is 2 yards longer than its length. find the length and width of the playground.
a) length = 17yd, width = 15yd
b) length = 17yd, width = 30yd
c) length = 15yd, width = 17yd
d) length = 30yd ,width = 17yd