Which is the diameter of a circle with a circumference of 15 cm?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s? a. 56.3 b. 33.7 c. 41.8 d. 48.2