For the 7th grade snack cart, it costs .25 for each bag of Doritos. What do we need to sell the Doritos for to have a mark-up of exactly 80%?

What is the sum or difference 4x10 – 9x10 (1 point) –5x10 –5x20 –36x10 –36x20 this is the cca test i need all the answers this is the first 2

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.