There are 1410 students at a school, and 100 of them are boys. if each classroom holds 30 students, how many classrooms are needed at the school

The function g(x) is defined as shown. x-1, -2 g(x) = 2x+3, -1 6-x, x23

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

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!