Answer: B is correct, 40 degrees.
Step-by-step explanation:
70 is the given angle, z is equivalent to that angle, so z is 70. So add those together, and you have 140. According to the rule, a triangle will always add up to 180. So 180-140=40 and there's your answer. Hope this helps!
Answer: A. (72π - 144) mm²
<u>Step-by-step explanation:</u>

An equation in point-slope form for these points is: y-8=-2(x+-1)
Hope this helps <3