Stephen has a dog that weighs 5 times as much as lan's dog. The total weight of both dogs is 72 pounds. How much does Stephen's dog weigh? Draw a diagram to find the weight of Stephen's dog. please help its a diagram for this problem

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

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?