Algebra 1: write an algebraic expression for 91 more than the square of a number

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

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

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?