At Southside Middle School, 20% of the students play an instrument. There are 305 students. How many students play an instrument?/

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Complete the equation of the live through (-1,6) (7,-2)

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.