Question

a)5x'2+3y(x-y)-x(y-x)

b)p'5q'7r'-3/p'0q'2-2r'3 ÷ r'2q'5p'3/p'5q'4r'3

c)5/x + 4/xy - 3/4x

d)10x'2-9x+2

e)3 + 4/x+4=1 - 3/x+4

f)20x'2-7x-3=0

could u do the whole maths and send​

Answer 1

Answer:

Ecologists study these relationships among organisms and habitats of many different sizes, ranging from the study of microscopic bacteria growing in a fish tank, to the complex interactions between the thousands of plant, animal, and other communities found in a desert. Ecologists also study many kinds of environments.