The measure of two vertical angles are given by the expressions (x+3) and (2x-7). Find the value of x.

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.

What is the sum of the first 8 terms of the geometric series

Which equation can be simplified to find the inverse of y = 2x2^2