There were 60 seventh-grade students
who signed up for soccer tryouts last
year. this year, 48 seventh-grade students
signed up for tryouts. what is the percent
decrease in the number of students from
last year to this year?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !