The main function of this human body system is to--- a. exchange gases with the environment

b. chew food as it enters the mouth

c. sense odors in the environment

d. trap particles that enter the nose

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Solve -.016x= -16. need solving this