Asimilarity transformation maps polygon abcd to polygon pqrs. if the length of ab(with the line over the top) is 6 and the length of the corresponding side, pq ( with the line over top) , is 12, what is the scale factor of dilation? a. 2 b. 0.5 c. -6 d. 6

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

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.

What is the gcf of 20c^3-5c^4+30c^6