On a sightseeing trip to Paris, Betty spots the spire of a cathedral at 22 degrees and Cathy spots the same spire at 30 degrees. If the two girls are 310 feet apart, determine the height of the spire (to the nearest foot).

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

With finding limits of multi variable !