Alex has a job transporting furniture by truck. HIs truck is filled with tables that weigh 250 pounds each and chairs that weigh 20 pounds each. There is a combined total of 300 tables and chairs in his truck. Let x be the number of 250 -pound tables in his truck. Write an expression for the combined total weight (in pounds) of the tables and chairs in his truck.

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm