Please help me with this question!

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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