.Find out whether the given set of ratios are equivalent or not: a)4:7 and 3:7
b)9:2 and 18:4

Step-by-step explanation:

2 fractions (ratios) in the form a/b and c/d are equivalent if it's verified the following relation:

a·d = b·c

Let's see!

1) 4·7 = 3·7     False. They are not equivalent.

2) 9·4 = 18·2    True. They are equivalent.

expression #3 is not equivalent. the others are.

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it