A rectangular tabletop has a length of 90 cm and a width of 41 cm. Find the perimeter and the area of the tabletop. This problem should have two answers and follow the format requested to receive full credit. Your answer for perimeter should be in the form: ________ cm. Your answer for area should be in the form: _____ sq. sm. 

Joan can mow a 20-acre field is 7 hours. How long would it take her to mow a 7-acre field? 

Convert feet to inches.    There are 12 inches in a foot. 

I understand that I may lose points on my responses if those responses are not in the requested formats.     

When a light beam emerges from water into air, the average light speed

If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having a

The inversion of your image in a plane mirror is actually an inversion of

It is difficult to see the roadway in front of you when you are driving on a rainy night mainly because

Name the compound below.  No common names.

Today America is a debtor nation.