If you want to use coordinate geometry to prove that the diagonals of an isosceles trapezoid are congruent, which coordinates of the vertices would you choose for an easy proof? (0, 0), (2a, 0), (a + b, c), (a – b, c. (0, c), (2b, c), (–a + b, 0), (a + b, 0) (–a, –c), (a, c), (b, 0), (–b, 0) (b, c), (–b, c), (–a, 0), (a, 0)

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score