Emmett earns money from walking dogs and answering serveys. He earns $10 a week for each dog he walks and $.15 for each survey he answers. Last week Emmett answered 100 surveys and earned $65 Part A; create an equation that will determine the number of dogs he walked Part B; solve this equation justifying each step with an algebraic property of equality Part C; how many dogs did a Mail walk last week

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?