A set of data is normally distributed with a mean of 75 and a standard deviation of 3. What percent of the data is in the interval 72-78?
a. 99.7%
c. 95.5%
b. 68.3%
d. 47.7%

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)

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates