A) a clockwise rotation of 270 degrees about the origin

B) a clockwise rotation of 180 degrees about the origin

C) a reflection over the line y=x

D) a reflection over the line y=-x

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?