17. ralph is 3 times as old as sarah. in 4 years ralph will only be twice as old as sara will be then. find ralph’s age now.

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8