A number cube has sides labeled 1 to 6. Connie rolls the number cube 12 times She rolls a 5
three times. What is the experimental probability that her next roll will be a 5?

Really need on these. i have no idea what to do

You and a friend went to the movies. you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

What is the value of x when x + 7 = 21?