If travelling at 85 miles / hr how long will it take to travel 8 miles

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

3x + 4y = 5 x- 3y = -7 solve by substitution