Show 2 different unit squares that you can use to measure the area of rectangle

Ihave trouble finding the nth term of a linear sequence

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)