What is 7/3 times 2/3 multiplied in simplest form

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?