Acounty in alabama has a population of 90,000 people. it has an area of 800 mi2. how many people are there per square mile?

Keisha makes a large sandwich for a family picnic she takes 1/2 of them the sandwich to the picnic her family eats 3/8 of the whole sandwich what fraction of the whole sandwich does keisha bring back from the picnic

Aright triangle includes one angle that measures 30º. what is the measure of the third angle? a. 30º b. 90º c. 60º d. 130º

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9