2/5 divided by 8/15 in its simplest form

The table above shows approximate conversions from gallons to liters. what is the value of x?

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 the following equations is equivalent to x/3-6/x=1