PLEASE HELP ANYONE PLEASE I'M DESPERATE A. F Describe the transformation that takes place with the following rule:
(x - 2, y + 4)

A. Translates 2 units left AND 4 units up.

B. Translates 2 units down AND 4 units right.

C. Translates 2 units up AND 4 units down.

D. Translates 2 units right AND 4 units up.

Use circumcenter theorem to solve for the given values

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.