1.given a∥b , and c is not parallel to a or b, which statements must be true?
select each correct answer.
m∠7=m∠11
m∠5=m∠12
m∠4=m∠5
m∠1=m∠5
2.in the figure, ab∥cd and m∠4=85°.
what is m∠5?
enter your answer in the box.

answer: 180

step-by-step explanation:

12-2=10

20-2=18

10x18=180

the red lines denote the population of the bacteria after 35 hours. that would be 2,409.24. the y-intercept is the blue line which is 800 because that is the starting point. the equation used to make the graph is 800(1.032)^h, where h is the number of hours.

step-by-step explanation:

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).