Andre has $12.30 in pennies, nickels, dimes, and quarters. if he has the same number of each coin, how many of each does he have? 3.075 .30 30 5

Which of the following are accepted without proof in a logical system? check all that apply.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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”?