Which of the following is the equation of the line that passes through the point (-7, 12) and is perpendicular to the line whose equation is y=8 a) y=-12
b) y=-7
c) x= -7
d) x=12

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days