Four different cards lettered A, B, C, and D are face down
with the order scrambled. As a card is turned over it is left i
Find these probabilities.
• Turning over the A card first.
• Turning over A, then B.
• Turning over A, then B, then C.
• Turning over A, then B, then C, then D.

Can someone me with my hwplz(only the circled ones)

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle. what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle. what is the measure of angle a? enter your answer in the box. m∠a= 3.)quadrilateral abcd is inscribed in this circle. what is the measure of angle b? enter your answer in the box. m∠b= °4.)quadrilateral abcd is inscribed in this circle. what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle. what is the measure of angle c? enter your answer in the box.°