Hurry i'll pick a brainliest !
solve for a.

7a - 2b = 5a + b

a. a = 2b
b. a = 3b
c. a =3/2 b
d. a =2/3 b

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

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.