For the data set below, which of the following are true? {12, 18, 28, 14, 18, 20, 12} a. the median is 18. b. the mean is 18. c. the mode is 12. d. the range is 12.

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

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?

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k