Hurry my final Josefina is inscribing a square in a circle with center c. What should be her
first step?
A. Open your compass to a width more than half of the diameter of
the circle.
B. Place the point of your compass on the circumference of the circle
and mark off equal distances.
O C. Use a straight edge to draw a diameter of the circle through the
center.
D. Place the point of your compass on the center of the circle.

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Ineed with math stuff it involves graphs