Se considera inmultimea M={1,2,3...85} Aflati probabilitatea ca alegând un element din mulțimea M acesta să fie: a)cel putin egal cu 34; b) cel mult egal cu 21; c)un nr impar; d) un numar primar; e) solutie a ecuatiei x la puterea a doua -49=0​

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Me find the value of x each figure.