Help

Find x. Round to the nearest tenth.
X
27
26.2

It says factor each expression 49x-28?

How can (square root of 25) ^2 be rewritten?

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”?