How do i get degrese when i have these numberes 11x 4x angel is= to 90 the angels are 3 and 4

What is the inverse of the function f(x) = 2x + 1?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll