What is an a priori proposition? an a posteriori proposition?

The length of a rectangular field is 5 meters more than its width. Its area is 300 square meters. How long is the field?

1. Consider the following study: Researchers recorded the temperatures at The Fashion Mall at Keystone in Indianapolis during 40 random days in November and December 2013, then again in June and July 2014.

The price of an item has been reduced by 40%. The original price was $60. What is the price of the item now?

January 1, 1941 fell on a wednesday. on which day of the week was january 1, 1942?

What is the solution of the equation 6*+3=5*-5

Which is the most reasonable estimate for the sum 61.92+174.8

What is the value of eln7x?

A person tips a waiter 18% of the bill. If the tip is $4.50, how much is the bill?

Which expression represents the phrase 5 + the quotient of 12.8 and 3.2

Michael is 4 times as old as Brandon and is also 27 years older than Brandon. how old is Brandon