Compare 4.5x10^6 and 2.1x10^8 explain how you can compare them

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

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?