What are the compatible numbers for 231 divided by 34?

Solve the system of equations. y= 2x y= x^2 - 15

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels