What is the mass of cookbook

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

Matt makes a birdhouse.he needs 2 1/3 cans of paint for each birdhouse.he has 10 cans of paint.how many bird houses can be made? ( i need this answered in the next 9 hrs )

Find the minimum value of p=10x+26y the constraints are x+y less than or equal to 6, 5x+y greater than or equal to 10, x+5y greater than or equal to 14