Using common denominator, what is an equivalent fraction to 8/15?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Y=4x^2+x-1 solve using quadratic formula

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