The perimeter of an equilateral triangle is 30meters Find the height of the triangle then find the area of the equilateral triangle.

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re