The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation?

a. StartFraction 1 Over 25 EndFraction

b. One-fifth

c. 5

d. 25

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?

Find the area of just the wood portion of the frame. this is called a composite figure. you will need to use your values from problem #2need all exepct 4 answerd if you can

Place the indicated product in the proper location on the grid. -4x3y2(7xy4)