A room cannot exceed the temperature of -20 degrees Fahrenheit, right now it is -72 degrees Fahrenheit. The temperature then starts to rise 6.3 degrees every hour. How many hours are there until the room temperature is surpassed?

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?