If a = 13 feet, b = 7 feet, c = 2 feet, d = 17 feet, and e = 3 feet, what is the area of the object?

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

True or false look at the picture pls : /