To write the number is standard form we need to move the decimal point six times to the right, then:

therefore the answer is b.
A line perpendicular to that straight line passing through that point
Answer:
A
Step-by-step explanation:
cannot be B because the slope is positive, not negative
cannot be D because the y-intercept is 8, not negative 8
Answer:
72, 150%
Step-by-step explanation: