Multiply (-4u-4v)(4u2-3uv-5v2)

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

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”?