On Friday, the ratio of the number of adults to boys to girls visiting a zoo was 7:6:5. On Saturday, the number of adults visiting the zoo remained the same. However, the number of boys increased by 50% and the number of girls decreased by 40%. a)What was the ratio of the number of adults to boys to girls visiting the zoo on Saturday?
b)On Friday, 627 boys and girls visited the zoo. What was the total number of visitors at the zoo on Saturday?

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83