PLEASE HELP AND EXPLAIN!

A. y=60x
B. y=80x
C. y=10x
D. y= 6x

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.