Paul's dad is putting up a fence in part of the backyard. the length of the fence will be 20 ft in the width will be 15 ft. what is a perimeter of the fence. A.300 ft

B.68 ft

C.35 ft

D.70 ft​

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?