Select the correct answer. Which equation represents the vertical line passing through (1,-9)?
A.
x = -9
B.
x = 1
C.
y = -9
D.
y = 1

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

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?

What properties allow transformation to be used as a problem solving tool