Consider the data below which represents how much a cell phone plan charges per month for a given number of minutes for 3 different plans.
Which plan has the lowest rate of change ?
Which plan has the highest y-intercept?
Which plan is the best value?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

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”?

What is the value of p in the equation y^ = -4x?