Mei and kim each improved their yards by planting rose bushes and shrubs. they brought their supplies from the same store. mei spent $87 on 5 rose bushes and 6 shrubs. kim spent $129 on 5 rose bushes and 12 shrubs. what is the cost of one rose bush and the cost of one shrubs?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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?