Micheal and his family are at a basketball game. Micheal decides that he is buying. He buys pretzels and sodas. The pretzels cost $3 and the sodas cost $2. His purchase of 5 items totaled $12. How many pretzels and how many sodas did Michael purchase?

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the