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 ​

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

What are the greatest common factor of 75 and 30

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no