Ive been doing this for hours please help (answer in mixed number fraction)

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

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?