PLEASE HELP ME 20 points Using the graph below, answer the following question
What is the constant of the proportionality, k;write your answer as a unit rate?
A. k= 8 miles per hour
B. K= 4 hours per mile
C. 2 hours per mile
D. K= 4 miles per hour

What is 20+(5 x 2/5 )+ 3 show your work

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

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.