A grocery store bought ice cream for $2.50 per half gallon and stored it in two freezers. During the night, one freezer malfunctioned and ruined 13 half gallons. If the remaining ice cream is sold for $3.90 per half gallon, how many half gallons did the store buy if they made a profit of $89.30?

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.