Solve.
- t/5 ≥ 15
a.
t ≤ –75
b.
t ≥ –75
c.
t ≤ –3
d.
t ≥ –3

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

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”?

Divide reduce the answer to lowest term 3/7 divided 1 1/6