HELP If point A(3,1) is reflected across the line x = 1, what are the coordinates of its reflection image, A’?

A) (3,1)
B) (3,-1)
C) (-3,-1)
D) (-3,1)
E) (-1,1)
F) (1,-1)

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

What is the missing value in the proportion 4/5 = x/30

Captain umaima has a ship, the h.m.s. khan. the ship is two furlongs from the dread pirate nadia and her merciless band of thieves. the captain has probability 3/7 of hitting the pirate ship. the pirate only has one good eye, so she hits the captain's ship with probability 2/5. if both fire their cannons at the same time, what is the probability that the captain hits the pirate ship, but the pirate misses.