Your grandmother gave you $8.34 with which to buy a present. this covered 3/4 of the cost. how much did the present

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12