Cheryl is now x years old. her father is 24 years older than cheryl. what is her father age in terms of x

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

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?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?