45. if m angle r=40 degrees in circle o, what is m angle o
46. in the circle m bc=69 degrees, what is m angle bcp

What is the length of bc ? enter your answer in the box.bc =

How to use order of operation in 20 divide by 4 multiply 5 = 1

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.