The coordinates of two vertices of a rectangles are(3,7)and (-4,7)if the rectangle has a perimeter of 30 unit what are the possible coordinates of its other two vertices

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?