Packs of batteries cost £2.85 each. ben has £45 to spend on batteries. ben buys as many packs as he can. work out how much change he should get from £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

The tile along the edge of a triangular community pool needs to be replaced? ?

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?