13. Dave purchased 4 notebooks for a cost of $6.29 each before tax. He gave the cashier $30.00. If the sales tax on his purchase was 6%, how much money should Dave have
received back from the cashier, to the nearest penny?

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