Answer:
Population density = 
Step-by-step explanation:
The attached figure shows the dimension of an island.
Population density is equal to total population per unit land area.
Firstly we will find the area of the triangle using Pythagoras theorem as follows :

H is Hypotenuse, B is base and P is perpendicular

Area of triangle is given by :


Hence, the population density is
.
Answer:
a. addition property of equality
Step-by-step explanation:
2x was added to both sides
B. -3 combine like terms first then solve the equation normally
Answer: 99,610
Step-by-step explanation:
1,423 * 70 = 99610