2/3x - 1/2y = 3
1/2x + y = 5

which of the following systems is equivalent to the given system?

a) 2x - y = 18 and x + 2y = 10
b) 4x - 3y = 18 and x + 2y = 10
c) 2x - 3y = 3 and x + 2y = 5

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b. false