Ravi and tikiera are making halloween pencil toppers to raise money for the math club. ravi can make one pencil topper in 10 minutes and tikiera can make one pencil topper in 9 minutes. if they work together, how quickly can they make one pencil topper? round your answer to the nearest tenth of a minute.

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

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 factor form of x^2-9x+14