Mr. Estevez got a new post mounted mail box. He dug out the old one and left a square hole and only measured one side. Mr. Estevez measured a side of 9.75cm's. What is the square area of dirt Mr. Estevez needs to fill up the hole for his new mailbox. (Round to the nearest tenth)* 0 95.1cm2 0 95.06cm2 0 95.1cm O 95.06cm

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?