What can be cross-sections of a cone out of these options? circle oval parabola rectangle trapezoid triangle

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10