Chester’s bakery a box of 12 donuts sells for 8.50 what is the unit price of donuts in the box rounded to the nearest cent

Solve for x i'll try to attach the files bc it's not letting me for some reason

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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?