If the ratio of the sides of two equilateral triangles is 3:5, what is the ratio of the area of the smaller triangle to the
area of the larger triangle?

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.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?