Belinda has twice as many nickels as dimes. how many of each does she have if they total a) 80 cents b) $1.20 show all work using an equation

For each proportion find the unknown number x 1/5/8=×/15

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

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