Match the described transformations of this figure with the figures that result.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Ineed if you could explain and give me the answer you! this needs done

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?