(18+4i)+(−11+23i)=left parenthesis, 18, plus, 4, i, right parenthesis, plus, left parenthesis, minus, 11, plus, 23, i, right parenthesis, equals Express your answer in the form (a+bi)(a+bi)left parenthesis, a, plus, b, i, right parenthesis.

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

Solutions for 2x+7 less than or equal to 3x-5

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?