Find the surface area of a rectangular prism with measurements of 9 1/2 cm, 4 1/5 cm and 3 4/5 cm

Plz which expression is equivalent to the expression below?

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2