Mrs. Garvin is driving from north of Orlando, Florida, to New york. She starts 90 miles of orlando and drives at approximately the same speed for eight hours. Her distance from Orlando is shown in the graph. What is her average rate of cuange(speed)?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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?