Aperson play a game of chance has 0.25 probability of winning. if the person plays the game 20 times and wins half of that number of times what is the difference between the theoretical probability and experimental probability of that person winning

7x+8y=-18, 4x-9y=-3 solve the system of equations

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.