The scale of a city map is 1:50 000. Find the area on the map, in square centimetres (cm²),
for the following actua areas.

(b) 15 km

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

What is the approximate difference in tenths between √12 and √15?

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?