The distance between Eagle Lake and Swallow Lake on a map is 9 cm. The scale of the map is 4 cm = 2 km.
What is the actual distance between Eagle Lake and Swallow Lake?
OA. 4.5 km
OB. 5.5 km
OC. 18 km
OD. 72 km

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )