To convert degrees to radians multiply degrees by pi/180.
So 90 degrees = 90pi/180 = pi/2 radians or 1.57 radians to the nearest hundredth.
Last week Gill read 164 of the 276 pages of the book.
hope this helped :)
Answer:

Step-by-step explanation:
x^-y=1/(x^y) so 3t^-4=3/(t^4)
The range of a data set is the difference between the largest and the smallest value in the set.
Here the range is: r = 62 - 25 = 35