What is the length of x in the diagram below? 5/√3 10/√3 5√3 10

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need