What is the man of the following numbers 15,10,7,12

In the 30-60-90 triangle below side s has a length of and side r has a length

Factor the monomial completely 42a3b3

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