The circumference of a circle, C, is directly proportional to the length of its radius, r. Write down a formula, using k, connecting the circumference of the circle and the
length of its radius.

Question 1 (50 points) your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. question 2 (50 points) taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1g(x)=2x2+1

What is sin 7x/4 ? i need on this urgent trig

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees.