(urgent please help) when doing her readings in one of her subjects, Favour recorded a reading as 1.12cm instead of 1.21cm. calculate her percentage error and show full working.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?