Tìm m để phương trình x² - 2|x| + m - 2 = 0 có bốn nghiệm

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct