Whats the fraction in simplest form- 9/12

Solve the equation x/4 - 5= -8 -27 -12 -7 12

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

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.