What number is 70% of 45

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

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red