Use place value to find the product to 40x8= how many tensx8

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

What describes horizontal cross section of the right rectangle 6m 8m 5m

Which of the following is the shape of a cross section of the figure shown below