Acoin is flipped 20 times. the results are 12 heads and 8 tails. determine the theoretical probability of getting heads.

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?