51 cities were surveyed to determine sports teams. 19 had soccer, 15 had rugby, 12 had volleyball, 9 had soccer and rugby, 8 had soccer and volleyball, 6 had rugby and volleyball. 3 had all three. How many only had a rugby team?

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Find the arc length of the semicircle. 7the grade