Answer:
A = 3/4
Step-by-step explanation:
alternately could equal 0.75
5x+2y=7
7x-2y=5 its subtract not add
Answer:
2.25 square inches
Step-by-step explanation:
we know that
The scale is 
That means
1 inch on a map represent 20 miles in the city
so
An area of
on a map represent an area of
in the city
Applying proportion

(2-5i)(3+i)
use foil method to expand it into standard form
6+2i-15i+5i^2
5i^2-13i+6