If there are 50 trees in 4 acres of land. how many are there in 10 acres of land

What is the y intercept of f(x)=(1/2)^x?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2