In ΔGHI, i = 75 cm, h = 12 cm and ∠H=22°. Find all possible values of ∠I, to the nearest 10th of a degree.

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

How are algebraic expressions evaluated using substitution?