The circumference of a circular hot tub at a hotel is 78.5 meters . What is the diameter of the hot tub?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?