Adrienne's work

suki's work

adrienne and suki simplified the

expression -8 ). whose

answer is correct? explain where

the error was made.

1-)=-14 |-) = -2

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?