Is the ratios 3: 1 and 6: 2 eqvililnent

What is the radical expression that is equivalent to the expression 27 1 over 5?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Point b lies between points a and c on . let x represent the length of segment ab in inches. use the segment to complete the statements. the value of x is . the length of in inches is . the length of in inches is .