Sin30°=1/2 and cos30°=(sqrt3)/2 true or false?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

The measure of an angle is 117°. what is the measure of a supplementary angle?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.