What’s all the answers to lesson 9 algebra 1 a unit 5

What are the sotions to the quadratic equation 9x^2=4

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

You are riding your bike and notice the square sign above. you mentally draw a straight line from point a to c. describe the angle relationship between dca and bca