For what values of a is 1/a an integer?
a) when a is an integer
b) when a is a positive number
c) when a is greater than 0 and less than 1
d) when a is greater than 0

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.

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

How to simply and write the answer n a whole number