In circle e, and are diameters. angle bca measures 53°.

what is the measure of arc ad?

On a piece of paper graph f(x)=5•(0.4)^x

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14