The variables x and y vary inversely, and y= -2 when x= 5. Write an equation that relates x and y. Then find y when x =- 7

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

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?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?