(need answer ASAP)Name at least one decimal solution for each inequality

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Find the least common denominator for thesetvo rational expressions. n^2/n^2+4n+4 -3/n^2+7n+10

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need