Let V=(2,8) and W=(-1,-4) which of the following is true?
check all that apply,

A.) The x-component of V is 2
B.) V= -2W
C.) V·W= -34
D.) V and W are perpendicular ​

True or false look at the picture pls : /

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?