Mindy and troy combined ate 9 pieces are of wedding cake. mindy ate 3 pieces of cake and troy had 1/4 of the total cake. write an equation to determine how many pieces of cake (c) there was in total. find the total number of pieces of cake.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

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?