23. Gregory is building a rectangular pen for his new puppy. He needs the pen to be 9 1/2 feet by 6% feet. How many feet of fencing does he need? Can someone please help me I’m in 6th grade btw Tysm if you do !

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

Which inequality has a dashed boundary line when graphed ?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so