Solve the equation for a number x. Check that your solution is correct.
-15x=8x+1

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

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