Find the value of each variable
45°
13
x =
y =
Oy=13/3
Oy= 13
12
10

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?

How to solve a simultaneous equation involved with fractions?

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)