Write an expression that is equivalent to 2/3(4x + 9) 8/3x+6 8/3x+9 2/3x+6 2/3x+9

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?