Solve for x: 3x-5=2x+6
a. 1
b.-1
c.11
d.-11

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !