Pyramid has a square base measuring 10 inches on each side it has four faces that are congruent isosceles triangle's. the height of each triangle is 13 inches find the surface area of the pyramid.

Which of the following is the rational exponent expression of 6 root f

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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?