Mr. Farmer has a farm with 12 animals;all chickens and pigs. One day, as a laugh, he decided to count how many legs were on his farm. He counted 32 legs, excluding his own. How many chickens are on the farm? How many pigs? Use the linear system x+y=13
2x+4y=32​

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

Indicate the formula for the following conditions: p^c(n,r)=