Help pls

Which expression converts 45 degree to radians

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.