Which two ratios form a proportion? a) 6 9 and 3 1 b) 6 9 and 1 3 c) 6 9 and 2 3 d) 6 9 and 3 2

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

The anwser cause i do not understand just plez

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function