Elio makes candles that are 14 cm tall. each candle burns 8 hours before going out. he is wondering how many hours a 21 cm tall candle can burn for. he assumes that the relationship between the height of a candle and number of hours it burns (h) is proportional. how long can a 21 cm tall candle burn for?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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 quartic functions has x = –1 and x = –2 as its only two real zeroes?