- 12 \geq - 2 x - 15
what is this answer??? pls help gotta get it done by tomorrow

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

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”?