What is the square root of 48?

The isosceles triangle has two sides of equal length, a, that sre longer than the length of the base ,b. the equation 2a+b=15.7 can be used to find the sides length. if one of the longer sides is 6.3 centimeters what is the length of the base

Answer this question only if you know the answer! 30 points and

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x