101 integers are written on a board. Prove that it is always possible to remove one number from the board to make the sum of the integers even. I need the WORK, ASAP

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

Your car's gasoline tank holds 18 gallons of gasoline. on a trip in canada, the tank is one-quarter full. you want to fill the tank. how many liters of gasoline are needed to fill the tank

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?