Right angle AB = 3 angle and 2 and Ac 2 angle 15 find BC

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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