54^2 +31
i never do anything right i swear e is mad at me now

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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