You can model a certain arch bridge with the function y = -0.001086x2 + 0.977x, where x and y are in feet. How high above the river is the bridge? How long is the section of bridge above the arch?

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)

Marking brainliest for original answer.. are these two triangles similar? how can you tell?