Let u1 = (1, 1, 2, 2), u2 = (2, 3, 5, 6), and u3 = (2, −1, 3, 6). use matlab to write the vector as a linear combination of the vectors u1, u2, and u3.
(a) v = (0, 5, 3, 0)

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

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Math it's appreciated. (picture provided)