Find the length of side x in the simplest radical form with a rational denominator. *can someone help*​

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Three coins are flipped. what is the probability that there will be at least two tails?

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related