What is the area of triangle lmn? 3 square units 4 square units 6 square units 8 square units.

Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

Keys to preventing a fall from a ladder include choosing the right ladder for the job and tying the top and bottom of the ladder to fixed paints. what else can you do to keep safe when using a ladder?